1. Polyvinylidene Chloride, p. 23, Gordon and Breach Science Publishers, New York (1977).
2. Ch. 2 in Diffusion in Polymers, ed. and Academic Press, New York (1968).
3. The effect of glass transition on gas permeabilities
4. 1979 Annual Book of ASTM Standards, Part 35, E96, p. 946, American Society for Testing and Materials, Philadelphia.
5. Solutions for Maintaining Constant Relative Humidity