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Author Title Year Publication (up) Serial Volume Pages
Schulte, N.; Klingel, H. Herd Structure, Leadership, Dominance and Site Attachment of the Camel, Camelus Dromedarius 1991 Behaviour 4683 118 103-114
Petherick, J.C.; Waddington, D.; Duncan, I.J.H. Learning to gain access to a foraging and dustbathing substrate by domestic fowl: is `out of sight out of mind'? 1991 Behavioural Processes 3609 22 213-226
Gill, J. A new method for continuous recording of motor activity in horses 1991 Comparative Biochemistry and Physiology. A, Comparative Physiology 1950 99 333-341
Klingel, H. Tausend Zebras im Computer 1991 Das Tier 1322 10 8-16
Scheidhacker, M.; Bender, W.; Vaitl, P. Die Wirksamkeit des therapeutischen Reitens bei der Behandlung chronisch schizophrener Patienten 1991 Der Nervenarzt 5067 62 283-287
Jablonska, E.M.; Ziolkowska, S.M.; Gill, J.; Szykula, R.; Faff, J. Changes in some haematological and metabolic indices in young horses during the first year of jump-training 1991 Equine Veterinary Journal 3801 23 309-311
Sakura O; Matsuzawa T Flexibility of wild chimpanzees nut-cracking behavior using stone hammers and anvils: an experimental analysis 1991 Ethology 3038 87 237
Noë, R.; van Schaik, C.P.; van Hooff, J.A.R.A.M. The Market Effect: an Explanation for Pay-off Asymmetries among Collaborating Animals 1991 Ethology 5413 87 97-118
Dugatkin, L.; Alfieri, M. Tit-For-Tat in guppies (Poecilia reticulata): the relative nature of cooperation and defection during predator inspection 1991 Evolutionary Ecology 2177 5 300-309
Deutsch, J.; Lee, P. Dominance and feeding competition in captive rhesus monkeys 1991 International Journal of Primatology 813 12 615-628