Reichard, Ulrich H. Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Reichard, U. H. (2003). Monogamy: past and present. In Reichard, Ulrich H.; Boesch, Christophe (Ed.), Monogamy: Mating Strategies and Partnerships in Birds, Humans and Other Mammals (pp. 3-25). Cambridge: Cambridge University Press.
