1. Aalbers, J.G., Johnson, L.A., Aalberts-Smit, E.A., Rademaker, J.H.M., 1985. ATP content of fresh and frozen–thawed boar semen and its relationship to sperm concentration and fertility. In: Johnson, L.A., Larsson, K. (Eds.), Deep Freezing of Boar Semen, Uppsala Swedish Univ. Agric. Sci., pp. 259–264.
2. Adams, H., 1963. Adenosine 5′-triphosphate determination with phosphoglycerate kinase. In: Bergmeyer, H. (Ed.), Methods of Enzymatic Analysis. Academic Press, pp. 539–543.
3. Bavister, B.D., 1990. Test of sperm fertilizing ability. In: Asch, R.H., Balmaceda, J.P., Johnston, Y. (Eds.), Gamete Physiology, pp. 77–105.
4. Modification of the zona free hamster ova bioassay of boar sperm fertility and correlation with in vivo fertility;Berger;Gamete Res.,1989
5. Porcine sperm fertilizing potential in relationship to sperm functional capacities;Berger;Anim. Reprod. Sci.,1996