Reece, R.W.; Wachs, K.B. 1992. Veterinary working group report from 1991 international rhinoceros conference in San Diego. Around the Horn 2: 7, 9.
Wachs, K.B.; Romo, S. 1986. Keepers and Zoo research. Animal Keeper's Forum 13 (8): 248-249, 1 plate.






