@article{PA20090252.pdf, <br>author="Jill D. Pruetz and Paco Bertolani",<br>title="Chimpanzee (Pan troglodytes verus) Behavioral Responses to Stresses Associated With Living in a Savanna-Mosaic Environment: Implications for Hominin Adaptations to Open Habitats.",<br>journal="PaleoAnthropology",<br>year="2009",<br>volume="2009",<br>pages="252-262"<br>}