| Author |
Title |
Year |
Publication |
Serial |
Volume  |
Pages |
| Lundholm B, |
Abstammung und Domestikation des Hauspferdes |
|
|
1354 |
27 |
1-287 |
| DOBRORUKA LJ et al, |
An analysis of the population of Grevy's zebra |
1987 |
|
1018 |
26 |
290-293 |
| Gijzen A, |
Onagers |
1961 |
|
1109 |
26 |
113-117 |
| Mazak V, |
Haarwechsel und Haarwuchs bei Pzewakski – Pferd und Onager im Prager Zoolg. Garten während der Jahre 1958/59 |
1962 |
|
1373 |
26 |
|
| Rashek Va, |
Reproduction of Kulan, Equus hemionus onager Boddaert in Barsa Kelmes Island (Aral Sea) |
1964 |
|
1491 |
26 |
95 |
| Frechkop S, |
Le Pélage des zebres |
1959 |
|
1094 |
25 |
|
| Macfadden Bj, |
Cladistic analysis of primitive equids, with notes on other perissodactyls |
1976 |
|
1359 |
25 |
1.14 |
| Tichomirow A, |
Zur näheren Kenntnis des Equus przewalskii |
1902 |
|
1648 |
25 |
344-349 |
| Carlstead, K.; Brown, J.L. |
Relationships between patterns of Fecal corticoid excretion and behavior, reproduction, and environmental factors in captive black (Diceros bicornis) and white (Ceratotherium simum) rhinoceros |
2005 |
Zoo Biology |
6142 |
24 |
215-232 |
| NOVELLIE PA et al, |
Factors affecting the seasonal movements of Cape mountain zebras in the Mountain Zebra National Park |
1988 |
|
1424 |
23 |
13-19 |
