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2. F. A. Paine and H. Y. Paine, A Handbook of Food Packaging, Blackie & Son, Glasgow, 1983.
3. T. P. Labuza, Food Technol., 92 (April 1982).
4. FDA. Current Good Manufacturing Practice Regulations, 1979 (proposed 21 CFR 110.80(b)).
5. R. B. Duckworth, Water Relations in Food, Academic Press, New York, 1965.