%0 Journal Article %T THE PHYSICAL BASIS OF THE SPECTRAL CLASSIFICATION OF A, F AND G STARS %A G. Dalle Mese %A O. Lu00F3pez-Cruz %A W. Schuster %A G. Garcu00EDa %J Revista mexicana de astronom¨ªa y astrof¨ªsica %D 2011 %I Universidad Nacional Aut¨®noma de M¨¦xico %U http://www.redalyc.org/articulo.oa?id=57121297142