Hoppe-Dominik, B., Kühl, H. S., Radl, G., & Fischer, F. (2011). Long-term monitoring of large rainforest mammals in the Biosphere Reserve of Taï National Park, Côte d'Ivoire. African Journal of Ecology, 49(4), 450-458. doi:10.1111/j.1365-2028.2011.01277.x.