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file N (Stack)Ginsborg, B. L.; Poulter, A. C.
The PATRA Tentative Standard Method for the Determination of the Permeability to Water Vapour of Sheet Materials used for Packaging at Temperate and Tropical Conditions
Leatherhead, Surrey: The Printing, Packaging and Allied Trades Research Association, Packaging Research Report no. 2, October 1948. (Given by R. E. W. Maddison)
[1978-546]
1948