1. Cochran, W.G., Cox, G.M., 1957. Experimental Design. Wiley, New York.
2. The influence of rams on the onset of the breeding season in ewes;Edgar;Proc. N.Z. Soc. Anim. Prod.,1963
3. Eloranta, E., Timisjarvi, J., Nieminen, M., Leppaluoto, J., Vuolteenaho, O., 1994. Hormonal changes in reindeer (Rangifer tarandus tarandus) during silent heat. In: Milne, J.A. (Ed.), Recent Developments in Deer Biology. Proceedings of the Third International Conference on Biology of Deer. Edinburgh, p. 151.
4. Influence of fenceline bull exposure on duration of anoestrus and pregnancy in beef cows;Fike;Anim. Reprod. Sci.,1996
5. The influence of the stag on pubertal development in the red deer hind;Fisher;Anim. Sci.,1995