1. Reproductive physiology of female cervids;Asher,2007
2. Lincoln GA: Seasonal breeding in deer. In Fennessy PF, Drew KR: Biology of deer production. Royal Society of New Zealand Bulletin No. 22, 1985, pp 165–180.
3. Antlers and reproduction;Woodbury,2007
4. Behavior of elk (Cervus canadensis) during the rut;Struhsaker;Z Tierpsychol,1967