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  Author Title Year Publication Serial Volume Pages Links
Parr, L.A.; Matheson, M.D.; Bernstein, I.S.; De Waal, F.B.M. Grooming down the hierarchy: allogrooming in captive brown capuchin monkeys, Cebus apella 1997 Animal Behaviour. 200 54 361-367 details   doi
de Waal, F.B.; Seres, M. Propagation of handclasp grooming among captive chimpanzees 1997 American journal of primatology 202 43 339-346 details   doi
Aureli, F.; de Waal, F.B. Inhibition of social behavior in chimpanzees under high-density conditions 1997 American journal of primatology 203 41 213-228 details   doi
Noë, R.; de Waal, F.B.; van Hooff, J.A. Types of dominance in a chimpanzee colony 1980 Folia primatologica; international journal of primatology 212 34 90-110 details   openurl
Zentall, T.R. Imitation: definitions, evidence, and mechanisms 2006 Animal cognition 217 9 335-353 details   doi
Schwarzenberger, F.; Mostl, E.; Bamberg, E.; Pammer, J.; Schmehlik, O. Concentrations of progestagens and oestrogens in the faeces of pregnant Lipizzan, trotter and thoroughbred mares 1991 Journal of reproduction and fertility. Supplement 322 44 489-499 details   openurl
Macphail, E.M. Cognitive function in mammals: the evolutionary perspective 1996 Brain research. Cognitive brain research 603 3 279-290 details   doi
Zentall, S.S.; Zentall, T.R.; Barack, R.C. Distraction as a function of within-task stimulation for hyperactive and normal children 1978 Journal of learning disabilities 270 11 540-548 details   openurl
Zentall, T.R.; Hogan, D.E.. Same/different concept learning in the pigeon: the effect of negative instances and prior adaptation to transfer stimuli 1978 271 30 177-186 details   doi
Zentall, T.R; Hogan, D.E. Key pecking in pigeons produced by pairing keylight with inaccessible grain 1975 273 23 199-206 details   doi
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