1. Trials of a laboratory scale vacuum cooling unit;NIAE Department Note DN/M 294/1372,1972
2. Factors affecting temperature reduction and weight loss in vacuum cooled lettuce;Barger;USA Market Research Report 469,1961
3. Vacuum cooling of wrapped lettuce;Cheyney;Calif Agric,1979
4. Vacuum cooling of leafy vegetables;Haas,1979
5. Sweet corn vacuum cooling;Haas,1985