1. Induccion del crecimiento folicular y de la ovulation en alpacas joven;Acosta Rodriguez,1961
2. Structural forces of pastoral nomadism with special reference to camel pastoral nomadism;Chatty,1972
3. Having herds: pastoral herd growth and household economy;Dahl,1976
4. Peripheral blood levels of progesterone in female camels during various reproductive stages;Elias;J. comp. Endocrin.,1983
5. Reproductive Behaviour in Ungulates;Fraser,1968