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2. La miniaturisation des paillettes;Cassou;Proc. 7th Int. Congr. Anim. Reprod. Artif. Insem. Paris,1968
3. Crabo, B. G., and E. F. Graham, 1979. Freezing of spermatozoa. Pages 521–527 in Animal Models for Research on Contraception and Fertility. Alexander, NJ.
4. Effects of interactions between cooling and rewarming conditions on survival of cells;Farrant,1977
5. Fundamentals of the preservation of semen;Graham,1978