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2. Bhosrekar , M. N. C. Ganguli 1974 Whey as an extender for deep freezing of buffalo semen 19th Int. Dairy Congr. Delhi. IE 61 62
3. The method of plastic straws and its adaptation to the generalisation of freezing;Cassou;5th Int. Congr. Anim. Reprod. Artifi. Insemi. Trento,1974
4. Livability of active spermatozoa at 5°C in tris buffered and citrate buffered yolk glycerol extenders;Davis;J. Dairy Sc.,1963
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