@article{Courteney1989,
author = {Courteney, J. and Santow, G.},
title= {Mortality of wild and captive chimpanzees},
year = {1989},
doi = {10.1159/000156395},
journal = {Folia Primatologica},
volume = {52},
number = {3-4},
pages = {167--177},
}