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Author (down) Title Year Publication Serial Volume Pages
Schilder Mbh, B.P. Ethological investigations on a herd of Plains Zebra in a safari park: Time – budgets, reproduction and food competition 1987 1568 18 45-56
Scheunert, A. Trautmann, A. Lehrbuch der Veterinär-Physiologie. 1987 4441
Satorov, S.S.; Orzuev, M.I. [Frequency of the isolation of staphylococci from domestic animals and strain identification] 1987 Zhurnal Mikrobiologii, Epidemiologii, i Immunobiologii 2676 37-39
Rutberg, A.T. Horse Fly Harassment and the Social Behavior of Feral Ponies 1987 Ethology 6417 75 145-154
Rumbaugh, D.M.; Savage-Rumbaugh, S.; Hegel, M.T. Summation in the chimpanzee (Pan troglodytes) 1987 Journal of Experimental Psychology. Animal Behavior Processes 2785 13 107-115
Rapaport, L.; King, N.E. The behavioral research program at the Washington Park Zoo 1987 Applied Animal Behaviour Science 2324 18 57-66
Pusey, A.E. Sex-biased dispersal and inbreeding avoidance in birds and mammals 1987 Trends in Ecology & Evolution 5326 2 295-299
Povinelli DJ Monkeys, apes, mirrors and minds: the evolution of self-awareness in primates 1987 J. Hum. Evol. 3025 2 493
Penzhorn Bl, L.P. Comparisons of reproductive parameters of two Cape mountain zebra populations 1987 1462 35 661-663
Penzhorn Bl, G.R. Incisor wear in free – ranging Cape mountain zebras 1987 1461 17 99-102