@misc{McGrew_W._C._Tool-use_1992,
 author={McGrew, W. C.},
 volume={228},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1992},
 publisher={Wiley-Blackwell},
 language={eng},
 title={Tool-use by free-ranging chimpanzees: the extent of diversity},
 type={Text},
 keywords={Chimpanzee, Diversity, Free-ranging, Pan troglodytes, Tool},
}