1. Changes in the pattern of secretion of luteinizing hormone in Merino rams following introduction of ewes;Akkari,1982
2. Copulatory behavior of the ram, Ovis aries. I.A. normative study;Bermant;Anim. Behav.,1969
3. Etude du comportement sexual mâle induit par traitement aux hormones stéroides chez la brebis adulte ovariectomisée;Fabre,1977
4. Social grouping and home range in feral Soay sheep;Grubb,1966
5. Plasma concentration of testosterone in the developing ram in different social environments;Illius;J. Reprod. Fertil.,1976