Stumpf, R. M., & Boesch, C. (2005). Does promiscuous mating preclude female choice? Female sexual strategies in chimpanzees (Pan troglodytes verus) of the Tai National Park, Cote d'Ivoire. Behavioral Ecology and Sociobiology, 57(5), 511-524. doi:10.1007/s00265-004-0868-4.