%0 Journal Article
%T Physical parameters of RR Lyraes in globular clusters from long term CCD photometry
%A A. Arellano
%A A. Aguilar
%A Z. Maru00EDn
%A P. Rosenzweig
%J Revista mexicana de astronom¨ªa y astrof¨ªsica
%D 2002
%I Universidad Nacional Aut¨®noma de M¨¦xico
%U http://www.redalyc.org/articulo.oa?id=57101425