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References by this author
Vahala, J.; Spala, P.; Svitalsky, M. 1993. Maintaining and breeding Northern white rhinoceros Ceratotherium simum cottoni at Dvur Kralove. International Zoo Yearbook 32: 16-20, table 1.
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Spala, P.; Hradecky, P. 1993. Preliminary determination of nutritional requirements of the pregnant black rhinoceros (Diceros bicornis). In: Ryder, O.A. 1993. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society. pp. 277-281, tables 1-3.
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Svitalsky, M.; Vahala, J.; Spala, P. 1993. Breeding experience with northern white rhinoceros (Ceratotherium simum cottoni) at Zoo Dvur Kralove. In: Ryder, O.A. 1993. Rhinoceros biology and conservation: Proceedings of an international conference, San Diego, U.S.A. San Diego, Zoological Society. pp. 282-286, table 1.
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Barta, Z.; Spala, P.; Sprachal, M. 1986. Pokus o umely odchov nosorozce indickeho ve Vychodoceske zoologicke zahrade. Ziva 1986 (6): 228-230.
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