| Author |
Title |
Year  |
Publication |
Serial |
Volume |
Pages |
| Kirkpatrick, J.F.; Liu, I.M.; Turner, J.W.J.; Naugle, R.; Keiper, R. |
Long-term effects of porcine zonae pellucidae immunocontraception on ovarian function in feral horses (Equus caballus) |
1992 |
Journal of reproduction and fertility |
145 |
94 |
437-444 |
| Keiper, R.; Receveur, H. |
Social interactions of free-ranging Przewalski horses in semi-reserves in the Netherlands |
1992 |
Applied Animal Behaviour Science |
778 |
33 |
303-318 |
| Rutberg, A.T.; Keiper, R.R. |
Proximate causes of natal dispersal in feral ponies: some sex differences |
1993 |
Animal Behaviour. |
518 |
46 |
969-975 |
| Boyd, L.; Keiper, R. |
Behavioural ecology of feral horses |
2005 |
The domestic horse: the origins, development, and management of its behaviour |
5439 |
|
|
