<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0185-1101</journal-id>
<journal-title><![CDATA[Revista mexicana de astronomía y astrofísica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. astron. astrofis]]></abbrev-journal-title>
<issn>0185-1101</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Astronomía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-11012016000100055</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Unveiling new associations in puppis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orsatti]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[E. Irene]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Rubén E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,La Plata  ]]></institution>
<addr-line><![CDATA[La Plata ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="A02">
<institution><![CDATA[,UNLP Facultad de Ciencias Astronómicas y Geofísicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="A03">
<institution><![CDATA[,CONICET Carrera del Investigador Científico ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<volume>52</volume>
<numero>1</numero>
<fpage>55</fpage>
<lpage>67</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-11012016000100055&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-11012016000100055&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-11012016000100055&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: A combined photometric and polarimetric analysis of OB stars known from two searches of OB stars in the Puppis region resulted in the identification of a new OB association located at a distance of 2.6 kpc from the Sun and with a main concentration at l = 249.°3, b = -4.° 6. There is another young group at a greater distance (4.4 kpc) that partially overlaps the first one on the (l, b) plane. The polarization efficiency of the dust towards the association is very low (1.25). The parameters of the ISM in the central region of the association are Pv = 1.21 ± 0.18(%) and &#952;v = 140.°2 ± 3.°3; the dust grains are of normal size, similar to the mean for the ISM (0.55 &#956;m). We discuss the location of both groups and propose the OB association as part of the local arm, while the other group would be part of the Perseus arm, according to the four-arm model of Hou &amp; Han.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Presentamos un análisis fotométrico y polarimétrico de estrellas OB conocidas por búsquedas de este tipo de estrellas en la región de Puppis. Se ha identificado una nueva asociación a una distancia de 2.6 kpc desde el Sol, cuya concentración principal está en (l = 249.°3, b = -4.°6). Hemos encontrado otro grupo joven a una mayor distancia (4.4 kpc), que se superpone parcialmente en la mismas coordenadas galácticas. La eficiencia de la polarización es extremadamente baja. Los parámetros del ISM para estrellas de la parte central de la asociación son Pv = 1.21 ± 0.18(%) y &#952;v = 140.°2 ± 3.°3; y los granos de polvo tienen un tamaño normal. Discutimos la ubicación de ambos grupos y proponemos que la asociación se sitúa sobre el brazo Local, mientras que el otro grupo sería parte del brazo de Perseo, siguiendo el modelo de 4 brazos propuesto por Hou &amp; Han.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[ISM: dust, extinction]]></kwd>
<kwd lng="en"><![CDATA[open clusters and associations: individual (Puppis A, Puppis B)]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bergeat]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Lunel]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sibille]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Lefevre]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>1976</year>
<volume>52</volume>
<page-range>263</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Capps]]></surname>
<given-names><![CDATA[R. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Coyne]]></surname>
<given-names><![CDATA[G. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Dyck]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1973</year>
<volume>184</volume>
<page-range>173</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Courau]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Lavos]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Gamen]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Morrell]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[BAAA]]></source>
<year>2008</year>
<volume>51</volume>
<page-range>89</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coyne]]></surname>
<given-names><![CDATA[G. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Kruszewski]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1969</year>
<volume>74</volume>
<page-range>528</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coyne]]></surname>
<given-names><![CDATA[G. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Vrba]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1976</year>
<volume>207</volume>
<page-range>790</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[FitzGerald]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1968</year>
<volume>73</volume>
<page-range>983</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Havlen]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>1976</year>
<volume>47</volume>
<page-range>193</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Heiles]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>2000</year>
<volume>119</volume>
<page-range>923</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hou]]></surname>
<given-names><![CDATA[L. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>2014</year>
<volume>569</volume>
<page-range>A125- 21</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hsu]]></surname>
<given-names><![CDATA[J-C]]></given-names>
</name>
<name>
<surname><![CDATA[Breger]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1982</year>
<volume>262</volume>
<page-range>732</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Humphreys]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Burton]]></surname>
<given-names><![CDATA[W. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Large Scale Characteristics of the Galaxy]]></source>
<year>1978</year>
<conf-name><![CDATA[ IAU Symp., 84]]></conf-name>
<conf-loc> </conf-loc>
<page-range>93</page-range><publisher-loc><![CDATA[Dordrecht ]]></publisher-loc>
<publisher-name><![CDATA[Reidel]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaltcheva]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Gredel]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Fabricius]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>2001</year>
<volume>372</volume>
<page-range>95</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Magalhães]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Benedetti]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Roland]]></surname>
<given-names><![CDATA[E. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[PASP]]></source>
<year>1984</year>
<volume>96</volume>
<page-range>383</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maronna]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Feinstein]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Clocchiatti]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>1992</year>
<volume>260</volume>
<page-range>525</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marraco]]></surname>
<given-names><![CDATA[H. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[E. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Vrba]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1993</year>
<volume>105</volume>
<page-range>258</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Aballay]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Marún]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruartes]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Boi. Asoc. Arg. de Astronomia]]></source>
<year>1990</year>
<volume>36</volume>
<page-range>342</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McCarthy]]></surname>
<given-names><![CDATA[C. C]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[E. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1974</year>
<volume>79</volume>
<page-range>1396</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McMillan]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1977</year>
<volume>212</volume>
<page-range>714</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moffat]]></surname>
<given-names><![CDATA[A. F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[FitzGerald]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>1974</year>
<volume>34</volume>
<page-range>291</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orsatti]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1992</year>
<volume>104</volume>
<page-range>590 (092)</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orsatti]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[E.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Marraco]]></surname>
<given-names><![CDATA[H. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1998</year>
<volume>116</volume>
<page-range>266</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orsatti]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Feinstein]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vergne]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>2007</year>
<volume>471</volume>
<page-range>165</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orsatti]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Feinstein]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vergne]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[E. I.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>2010</year>
<volume>513</volume>
<page-range>A75</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reed]]></surname>
<given-names><![CDATA[B. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A S]]></source>
<year>1989</year>
<volume>77</volume>
<page-range>447</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reed]]></surname>
<given-names><![CDATA[B. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1996</year>
<volume>111</volume>
<page-range>804</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schmidt-Kaler]]></surname>
<given-names><![CDATA[Th.]]></given-names>
</name>
</person-group>
<source><![CDATA[Landolt/Bornstein]]></source>
<year>1982</year>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Serkowski]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Greenberg]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[van der Hulst]]></surname>
<given-names><![CDATA[H. C]]></given-names>
</name>
</person-group>
<source><![CDATA[Interstellar Dust and Related Topics]]></source>
<year>1973</year>
<conf-name><![CDATA[ IAU Symp., 52]]></conf-name>
<conf-loc> </conf-loc>
<page-range>145</page-range><publisher-loc><![CDATA[Dordrecht-Holland ]]></publisher-loc>
<publisher-name><![CDATA[Reidel]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Serkowski]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1968</year>
<volume>154</volume>
<page-range>115</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Serkowski]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Mathewson]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ford]]></surname>
<given-names><![CDATA[V. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1975</year>
<volume>196</volume>
<page-range>261</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stephenson]]></surname>
<given-names><![CDATA[C. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanduleak]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Publ. Warner and Sanduleak Obs., I]]></source>
<year>1971</year>
<volume>1</volume>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[D. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1977</year>
<volume>82</volume>
<page-range>805</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turnshek]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bohlin]]></surname>
<given-names><![CDATA[R. C]]></given-names>
</name>
<name>
<surname><![CDATA[Williamson]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lupie]]></surname>
<given-names><![CDATA[O. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Koornneef]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[D. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1990</year>
<volume>99</volume>
<page-range>1243</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Whittet]]></surname>
<given-names><![CDATA[D. C. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[P. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hough]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Rouse]]></surname>
<given-names><![CDATA[M. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Bailey]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Axon]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1992</year>
<volume>386</volume>
<page-range>562</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
