Spala, P.

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.

Spala, P.; Hradecky, P. 1993. Preliminary determination of nutritional requirements of the pregnant black rhinoceros (Diceros bicornis).

Svitalsky, M.; Vahala, J.; Spala, P. 1993. Breeding experience with northern white rhinoceros (Ceratotherium simum cottoni) at Zoo Dvur Kralove.

Barta, Z.; Spala, P.; Sprachal, M. 1986. Pokus o umely odchov nosorozce indickeho ve Vychodoceske zoologicke zahrade. Ziva 1986 (6): 228-230.