Kretzschmar, P.; Ganslosser, U.; Dehnhard, M. 2004. Relationship between androgens, environmental factors and reproductive behavior in male white rhinoceros (Ceratotherium simum simum). Hormones and Behavior 45: 1-9, fig.s 1-5, tab. 1.
Relationship between androgens, environmental factors and reproductive behavior in male white rhinoceros (Ceratotherium simum simum)