1. Genetic stability of bacteria to freezing and thawing;Ashwood-Smith;Cryobiology,1965
2. Mutation induction in bacteria by freeze-drying;Ashwood-Smith;Cryobiology,1976
3. Investigation of the effect of growth environment on the stability of low-copy-number plasmids in Escherichia coli;Caulcott;J. Gen. Microbiol.,1987
4. The stability of bacteriophages in long term storage at liquid nitrogen temperatures;Clark;Cryobiology,1966
5. Attempts to freeze some bacteriophages at ultralow temperatures;Clark;Appl. Microbiol.,1962