F. Eisenberg

SEMEN OF THE CEYLON ELEPHANT , ELEPHAS

J., B., R. M., 2008 .

A longitudinal analysis of artificial insemination with donor semen.

J. Sulewski, V. Stenger, F. Eisenberg, 1978, Fertility and sterility.

Avoidance reactions of domestic dogs to unfamiliar male and female humans in a kennel setting

R. Lore, F. Eisenberg, 1986 .