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Author Title Year Publication (up) Serial Volume Pages
Franke Stevens, E. Instability of harems of feral horses in relation to season and presence of subordinate stallions 1990 Behaviour 1632 112 149-161
Cancedda, M. [Social and behavioral organization of horses on the Giara (Sardinia): distribution and aggregation] 1990 Bollettino della Societa italiana di biologia sperimentale 673 66 1089-1096
Wittling, W.; Pflüger, M. Neuroendocrine hemisphere asymmetries: Salivary cortisol secretion during lateralized viewing of emotion-related and neutral films 1990 Brain and Cognition 5350 14 243-265
Cheney, D.L.; Seyfarth, R.M. The representation of social relations by monkeys 1990 Cognition 702 37 167-196
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
Boesch C; Boesch H Tool use and tool making in wild chimpanzees 1990 Folia Primatol. 2983 54 86
Visalberghi E Tool use in Cebus 1990 Folia Primatol. 3045 54 146
Povinelli DJ; Nelson KE; Boysen ST Inferences about guessing and knowing in chimpanzees (Pan troglodytes) 1990 J. Comp. Psychol. 3030 104 203
Houpt, K.A.; Zahorik, D.M.; Swartzman-Andert, J.A. Taste aversion learning in horses 1990 Journal of animal science 41 68 2340-2344
McCall, C.A. A Review of Learning Behavior in Horses and its Application in Horse Training 1990 Journal of Animal Science 1992 68 75-81