Cohas, A., Yoccoz, N. G., Bonenfant, C., Goossens, B., Genton, C., Galan, M., et al. (2008). The genetic similarity between pair members influences the frequency of extrapair paternity in alpine marmots. Animal Behaviour, 76(1), 87-95. doi:10.1016/j.anbehav.2008.01.012.