The elliptical galaxies NGC 1052 and NGC 7796 - Stellar populations and abundance ratio α/Fe A. de C. Milone, M. G. Rickes and M. G. Pastoriza A&A, 469 1 (2007) 89-113 Published online: 24 April 2007 DOI: 10.1051/0004-6361:20054615