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  Author Title Year Publication Serial Volume (up) Pages Links
Ödberg Fo, Bijdrage tot de Studie der Gedragenen van het paard (E. caballus L.) 1969 1425 details   openurl
Zeeb K, Verhaltensweisen beim Dülmener Primitivpferd. Hautpflege – Fortpflanzung – Erkunden und Meiden – Mimik und Ausdrucksbewegungen 1969 Wissenschaftlicher Film C 986 Begleittext 1733 details   url
Halford; G.S.; Halford, J.M . Secondary reinforcement: signal or substitute reward? A preliminary investigation 1969 3588 details   doi
Klingel H, The social organization and population ecology of the Plains Zebra (Equus quagga) 1969 1293 4 249-263 details   openurl
Klingel H, Reproduction in the Plains Zebra, Equus burchelli boehmi: Behaviour and Ecological Factors 1969 1292 6 339-345 details   openurl
Boray, J.C. Experimental fascioliasis in Australia 1969 Advances in Parasitology 2744 7 95-210 details   openurl
Oelofse J, Plastic for game catching 1969 1430 10 306-308 details   openurl
Alexander, B.K.; Bowers, J.M. Social organization of a troop of Japanese monkeys in a two-acre enclosure 1969 Folia Primatologica; International Journal of Primatology 2055 10 230-242 details   openurl
Lanzetta, J.T.; Hannah, T.E. Reinforcing behavior of “naive” trainers 1969 Journal of Personality and Social Psychology 4307 11 245-252 details   url
Brentjes B, Equidenbastardierung im Alten Orient 1969 974 17 141-151 details   openurl
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