1. Application of Freeze-Drying in Microbiology;Blankov,1961
2. Principles of the Technology of Dry Biopreparations;Dolinov,1969
3. Cryobiology and Freeze-Drying;Tsvetkov,1979
4. Starterkulturen in der fleisschwirtschaft;Coretti;Fleischwirtschaft,1977
5. Freezing and drying of bacteria;Fry,1966