1. Freezing of ram semen in straws;Aamdal,1968
2. Fast thawing of bull semen frozen in straws;Aamdal,1968
3. Effect of different combinations of freezing and thawing rates upon the survival of bull spermatozoa in U.S. plastic straws;Almquist;A.I. Digest,1973
4. Etat actuel de l'insémination artificielle;Brice;Pâtre,1976
5. Yearly observations on the semen quality and libido in rams;Branny;Zesz. Probl. Postepow Nauk. Roln.,1966