Beaune, D., Bretagnolle, F., Bollache, L., Bourson, C., Hohmann, G., & Fruth, B. (2013). Ecological services performed by the bonobo (Pan paniscus): Seed dispersal effectiveness in tropical forest. Journal of Tropical Ecology, 29(5), 367-380. doi:10.1017/S0266467413000515.