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  Author Title Year Publication Serial Volume Pages Links
Galdikas, B.M. Orangutan tool use 1989 Science (New York, N.Y.) 2847 243 152 details   openurl
Duncan, I.J.H.; Petherick, J.C. Proceeding (Paper presented at the Winter Meeting of the Society for Veterinary Ethology, London, Great Britain, 30 November 1988)Cognition: The implications for animal welfare 1989 Applied Animal Behaviour Science 2921 24 81-1010 details   url
Walker, S. An introduction to animal cognition : By . Hillsdale, New Jersey: Lawrence Erlbaum (1988). Pp. viii + 328. Price [pound sign]8.95 paperback 1989 Animal Behaviour. 2922 37 521-522 details   url
Chandler M; Fritz AS; Hala S Small scale deceit: deception marker of 2-, 3- and 4-year-olds' early theories of mind 1989 Child Dev. 2986 60 1263 details   openurl
Povinelli DJ Failure to find self-recognition in Asian elephants (Elephas maximus) in contrast to their use of mirror cues to discover hidden food 1989 J. Comp. Psychol. 3026 103 122 details   openurl
Dewsbury, D.A. Comparative Psychology, Ethology, and Animal Behavior 1989 Annual Review of Psychology 3541 40 581-602 details   url
Herder, S.L. More cardiac dressage: galop, gallop, gal(l)opitty glop 1989 JAMA : the Journal of the American Medical Association 3757 262 352 details   openurl
de Waal, F.B.M. Peacemaking Among Primates 1989 4924 details   openurl
Harrington, F.H. Chorus howling by wolves: Acoustic structures, pack size and Beau Geste effect 1989 Bioacoustics 6463 2 details   doi
Gao, X; Gu, J. The distribution and status of the Equidae in China. 1989 Acta Theriologica Sinica 1101 9 269-274 details   openurl
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