1. The Low Temperature Storage of Ram, Bull, and Rabbit Spermatozoa;Emmens;Australian Vet. J.,1950
2. Storage of Mammalian Spermatozoa at Low Temperatures;Parkes;Proc. Soc. Study of Fertility,1950
3. Preservation of Bull Semen at -79° C;Polge;Vet. Record,1952
4. Possibilities of Long-Term Storage of Spermatozoa at Low Temperatures;Polge;Animal Breed. Abstr.,1952
5. Fertilizing Capacity of Bull Spermatozoa After Freezing at -79° C;Polge;Nature,1952