|
Orr Djc,. (1963). Grazing sucession in Ngorongoro Crater. Unveröffentl. Manuskript, .
|
|
|
OTT EA et al,. (1979). Acceptability of dried citrus pulp by horses. J Animal Sci, 49, 983–987.
|
|
|
Ottaway Cw,. (1961). Aspects of equine and canine locomotion In: Harris JW; Vertebrate Lokomotion. Symp Zool Soc Lond, 5, 101–113.
|
|
|
Owaga Ml,. (1975). The feeding ecology of wildbeest and zebra in Athi – Kaputei plains. E Afr Wildl J, 13, 375–384.
|
|
|
Owaga Ml,. (1977). Comparison of analysis of stomach contents and feacal samples from zebra. E Afr Wildl J, 15, 217–222.
|
|
|
Panov En, Z. L. (1985). The population structure and behaviour of the feral asses on the Ogurchinskii Island. Zool J 6, 4, 750–762.
|
|
|
Panov En, Z. L. (1985). The structure of population and behaviour of feral asses on the Ogurchinskii Island. Zool J, 64, 1071–1083.
|
|
|
Pellegrini Sw,. (1971). Home range, territoriality and movement patterns of wild horses in the Wassuk Range of Western Nevada.
|
|
|
Penzhorn Bl,. (1979). Social organisation of the Cape Moutain Zebra Equus Z. Zebra in the Moutain Zebra National Park. Koedoe, 22, 115–156.
|
|
|
Penzhorn Bl,. (1982). Age determination in the Cape Mountain Zebras in the mountain zebra natinoal park. Koedoe, 25, 89–102.
|
|