|
Goodall, J. (1973). Cultural elements in a chimpanzee community. In E. W. Menzel (Ed.), Precultural primate behaviour (Vol. 1, pp. 144–184). Basel: Karger.
|
|
|
Gogan Pjp,. (1973). Some aspects of nutrient utilization by Burchell's Zebra in the Serengeti-Mara region.
|
|
|
Solomatin Ao,. (1973). Kulan. Moskau.
|
|
|
Jerison, H. J. (1973). Evolution of the Brain and Intelligence. Riverport: Academic Press.
|
|
|
FRERICHS WM et al,. (1973). Equine Piroplasmosis: Therapeutic trials of imidocarb dihydrochloride in horses and donkeys. Vet Rec, 93, 73–75.
|
|
|
Joubert E,. (1973). Habitat preference, distribution and status of the Hartmann zebra in South West Africa. Madoqua, 1(7), 5–15.
|
|
|
Klingel H,. (1973). Am Hitzepol der Erde zu Fuß auf Wildesel. Das Tier, 8, 10–15 u. 56.
|
|
|
Marrable Aw,. (1973). The foal in the womb. Myriad Book, 7.
|
|
|
Ödberg Fo,. (1973). An interpretation of pawing by the horse, displacement activity and original functions. Säugetierk Mitt, 21, 1–12.
|
|
|
Ödberg Fo,. (1973). L'éthologie: Son passé et son development actuel. Zoo, 38, 208–213.
|
|