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Author Title Year Publication Serial Volume Pages
Russon AE; Galdikas BMF Imitation in free-ranging rehabilitant orangutans (Pongo pygmaeus) 1993 J. Comp. Psychol. 3036 107 147
Tomasello M; Savage-Rumbaugh S; Kruger AC Imitative learning of actions on objects by children, chimpanzees, and enculturated chimpanzees 1993 Child Dev. 3044 64 1688
Poletaeva, I.I.; Popova, N.V.; Romanova, L.G. Genetic aspects of animal reasoning 1993 Behavior Genetics 3089 23 467-475
Murray, Martyn G.; Brown, David Niche Separation of Grazing Ungulates in the Serengeti: An Experimental Test 1993 The Journal of Animal Ecology 3544 62 380-389
Negi,G. C. S.; Rikhari, H. C.; Ram,Jeet; Singh, S. P. Foraging Niche Characteristics of Horses, Sheep and Goats in an Alpine Meadow of the Indian Central Himalaya 1993 The Journal of Applied Ecology 3545 30 383-394
Dougherty, D.M.; Lewis, P. Generalization of a tactile stimulus in horses 1993 Journal of the Experimental Analysis of Behavior 3571 59 521-528
Petherick, J.C.; Seawright, E.; Waddington, D. Influence of motivational state on choice of food or a dustbathing/foraging substrate by domestic hens 1993 Behavioural Processes 3608 28 209-220
McCall, C.A.; Salters, M.A.; Simpson, S.M. Relationship between number of conditioning trials per training session and avoidance learning in horses 1993 Applied Animal Behaviour Science 3686 36 291-299
Mal, M.E.; McCall, C.A.; Newland, C.; Cummins, K.A. Evaluation of a one-trial learning apparatus to test learning ability in weanling horses 1993 Applied Animal Behaviour Science 3688 35 305-311
Dabareiner, R.M.; Sullins, K.E.; White, N.A. 2nd Progression of femoropatellar osteochondrosis in nine young horses. Clinical, radiographic and arthroscopic findings 1993 Veterinary Surgery : VS : the Official Journal of the American College of Veterinary Surgeons 3748 22 515-523