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  Author Title (up) Year Publication Serial Volume Pages Links
Antonius. O., Beobachtungen an Einhufern in Schönbrunn. XVI. Das Damarazebra 1940 Zoologische Garten 888 12 247-257 details   openurl
Antonius. O., Beobachtungen an Einhufern in Schönbrunn. XVII. Halbeselbastarde 1944 Zoologische Garten 891 16 1 22 details   openurl
Antonius. O., Beobachtungen an Einhufern in Schönbrunn. XX. Über nordische Kleinpferde 1953 Zoologische Garten 895 20 1-24 details   openurl
Hendrichs H, Beobachtungen und Untersuchungen zur Ökologie und Ethologie, insbesondere zur sozialen Organisation, ostafrikanischer Säugetiere 1972 Zeitschrift für Tierpsychologie 1179 30 146 details   openurl
Zeeb K, K.A. Beobachtungen zum Paarungsverhalten von Grevyzebras in Gefangenschaft 1963 Zeitschrift für Tierpsychologie 1752 20 207-214 details   openurl
Call, J. Beyond learning fixed rules and social cues: abstraction in the social arena 2003 Philosophical Transactions of the Royal Society B: Biological Sciences 3524 358 1189-1196 details   doi
Sol, D.; Duncan, R.P.; Blackburn, T.M.; Cassey, P.; Lefebvre, L. Big brains, enhanced cognition, and response of birds to novel environments 2005 Proceedings of the National Academy of Sciences of the United States of America 4739 102 5460-5465 details   doi
Noë, R.; Hammerstein, P. Biological markets 1995 Trends in Ecology & Evolution 4993 10 336-339 details   doi
Noë, R.; Hammerstein, P. Biological markets: supply and demand determine the effect of partner choice in cooperation, mutualism and mating 1994 Behavioral Ecology and Sociobiology 5404 35 1-11 details   doi
Koistinen, T.; Korhonen, H.T.; Hämäläinen, E.; Mononen, J. Blue foxes' (Vulpes lagopus) motivation to gain access and interact with various resources 2016 Applied Animal Behaviour Science 6166 176 105-111 details   doi
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