| Author |
Title |
Year |
Publication |
Serial |
Volume |
Pages  |
| Keiper, R.; Houpt, K. |
Reproduction in feral horses: an eight-year study |
1984 |
American journal of veterinary research |
665 |
45 |
991-995 |
| Rutberg, A.T.; Keiper, R.R. |
Proximate causes of natal dispersal in feral ponies: some sex differences |
1993 |
Animal Behaviour. |
518 |
46 |
969-975 |
| Houpt, K.A.; Keiper, R. |
The position of the stallion in the equine dominance hierarchy of feral and domestic ponies. |
1982 |
Journal of Animal Science |
668 |
54 |
945-950 |
| Keiper, R.R. |
Social structure |
1986 |
The Veterinary clinics of North America. Equine practice |
675 |
2 |
465-484 |
| 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 |
| Keiper, R.R.; Sambraus, H.H. |
The stability of equine dominance hierarchies and the effects of kinship, proximity and foaling status on hierarchy rank |
1986 |
Applied Animal Behaviour Science |
683 |
16 |
121-130 |
| Keiper, R.R.; Keenan, M.A. |
Nocturnal activity patterns of feral horses |
1980 |
J. Mammal |
2311 |
61 |
116-118 |
| Keiper, R.R. |
Social interactions of the Przewalski horse (Equus przewalskii Poliakov, 1881) herd at the Munich Zoo |
1988 |
Applied Animal Behaviour Science |
775 |
21 |
89-97 |
| Keiper, R. |
Social organization of feral ponies |
1976 |
|
1250 |
50 |
69-70 |
