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Author Title Year Publication Serial Volume Pages
Povinelli DJ; Nelson KE; Boysen ST Inferences about guessing and knowing in chimpanzees (Pan troglodytes) 1990 J. Comp. Psychol. 3030 104 203
Visalberghi E Tool use in Cebus 1990 Folia Primatol. 3045 54 146
Holmstrom, M.; Magnusson, L.E.; Philipsson, J. Variation in conformation of Swedish warmblood horses and conformational characteristics of elite sport horses 1990 Equine Veterinary Journal 3756 22 186-193
Hinrichs, K.; Watson, E.D.; Kenney, R.M. Granulosa cell tumor in a mare with a functional contralateral ovary 1990 Journal of the American Veterinary Medical Association 3802 197 1037-1038
Potter, G.D.; Yeates, B.F. Behavioral principles of training and management 1990 The Horse, 2nd Edn 4540 665-682
Cheney, D.L.; Seyfarth, R.M. How Monkeys See the World 1990 4866
Cords, M. 13th Cong. Int. Primat Soc 1990 4925