Life history costs of increased brain size: a comparative test using data from long-term studies of primates in the wildDOI: info:10.1016/j.jhevol.2007.08.012v. 54No. 5568–590
Barrickman, Nancy L., Bastian, Meredith, Isler, Karin, and van Schaik, Carel P. 2008. "Life history costs of increased brain size: a comparative test using data from long-term studies of primates in the wild." Journal of Human Evolution, 54, (5) 568–590. https://doi.org/10.1016/j.jhevol.2007.08.012.