1. Culture collections and preservation of bacteria;Lapage,1970
2. Effect of carbohydrates and related compounds on the long-term preservation of freeze-dried bacteria;Redway;Cryobiology,1974
3. Preservation of Knallgas bacteria;Malik,1976
4. A freeze-drying method for the preservation of phototrophic bacteria;Malik,1978
5. Long-term preservation of Rhodospirillaceae by freeze-drying;Malik,1984