%A Astrid Hopfensitz
%A Matthijs Van Veelen
%J Journal of Theoretical Biology
%T In Love and War: Altruism, Norm Formation, and Two Different Types of Group Selection
%N n°4
%P 667-680
%V 249
%D 2007
%I Elsevier
%R 10.1016/j.jtbi.2007.09.007
%L publications2825