SciELO - Scientific Electronic Library Online

SciELO - Scientific Electronic Library Online

Referencias del artículo

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.