Similar title to Le Galliard, J.-F., Ferriere, R., & Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 (2003). The Adaptive Dynamics of Altruism in Spatially Heterogeneous Populations. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-03-006