| Author |
Title |
Year |
Publication |
Serial |
Volume |
Pages |
| Petherick, J.C.; Rutter, S.M. |
Quantifying motivation using a computer-controlled push-door |
1990 |
Applied Animal Behaviour Science |
6165 |
27 |
159-167 |
| Tooze, Z.J.; Harrington, F.H.; Fentress, J.C. |
Individually distinct vocalizations in timber wolves, Canis lupus |
1990 |
Anim Behav |
6468 |
40 |
|
| Rau R.E., |
Bring back the quagga |
1990 |
|
1501 |
|
|
| Schilder, M.B.H. |
Social behaviour and social arganization of a herd of plains zebra in a safari park |
1990 |
|
1566 |
|
|
| Würbel, H. |
The relationship between social structure and mating system in donkeys & Mating strategies of male donkeys in a promiscuous mating system"l structure and mating system in donkeys & |
1990 |
|
1724 |
|
|
| Cheney, D.L.; Seyfarth, R.M. |
How Monkeys See the World |
1990 |
|
4866 |
|
|
| Cords, M. |
13th Cong. Int. Primat Soc |
1990 |
|
4925 |
|
|
