http://regis.cubedeglace.com/publications/regional-differences-in-bone-collagen-d13c-and-d15n-of-pleistocene-mammoths-implications-for-palaeoecology-of-the-mammoth-steppe/ Le Blog Science de Régis Debruyne Tue, 29 Mar 2011 10:26:01 +0000 hourly 1 http://wordpress.org/?v=3.3.1