Mating behavior in the dog.

Mating behavior in the dog. — المؤلف: Beaver, B V — The Veterinary clinics of North America Nov 1977

المؤلف
Beaver, B V
النشر
The Veterinary clinics of North America Nov 1977
الوصف
723-8 p.
الموضوعات
Animals؛ Dogs؛ Estrus؛ Female؛ Humans؛ Male؛ Masturbation؛ Pregnancy