PENA, J. H. et al. uvby - β Photoelectric Photometry of the Open Clusters NGC 6811 and NGC 6830. Rev. mex. astron. astrofis [online].
2011,
vol.47, n.2, pp. 309-321.
ISSN 0185-1101.
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PENA, J. H. et al. uvby - β Photoelectric Photometry of the Open Clusters NGC 6811 and NGC 6830. Rev. mex. astron. astrofis [online].
2011,
vol.47, n.2, pp. 309-321.
ISSN 0185-1101.
|
|
|
|