1. Sexual, maternal and neonatal behavior;Alexander,1980
2. Methods for producing twins in cattle;Anderson;Theriogenology,1978
3. Some factors involved in natural weaning processes in sheep;Arnold;Appl. Anim. Ethol.,1979
4. Instructions for use of least-squares and maximum likelihood general purpose program;Harvey,1968
5. Maternal behavior in sheep and goats;Hersher,1963