| Noble, S.J.; Ryder, O.A., 1993. Perinatal mortality in rhinos: pp. 367-368
| In: Ryder, O.A. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society: pp. i-v, 1-368 |
|
|
| Ryder, O.A., 1993. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society, pp. i-v, 1-368
|
|
| Ryder, O.A., 1990. A wildlife genetics laboratory in Kenya. Zoonooz (San Diego) 63 (9) Sep: 5-9, 9 images
|
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| Ryder, O.A., 1988. Research frontier in genetics. Proceedings of the AAZPA Meeting 1988, 375-381
|
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| Ryder, O.A., 1986. Species conservation and systematics: the dilemma of subspecies. Tree 1 (1), 9-10
|
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| George, M.; Puentes, L.A.; Ryder, O.A., 1983. Genetische Unterschiede zwischen den Unterarten des Breitmaulnashorns: pp. 60-67, figs. 1-3, table 1
| In: Kloes, H.G. et al. International studbook for the African rhinoceroses, 31.12.1982, No. 2. Berlin, Zoologischer Garten: pp. 1-205, pls. 1-4 |
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| Ryder, O.A., 1981. (White) rhinos to China. Zoonooz (San Diego) 54 (1) Jan: 10-12, 5 images
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