References
- Crank , J. and Park , G. S. 1968 . Diffusion in Polymers , New York : Academic . Chap. 6
- Frish , H. L. 1959 . J. Phys. Chem. , 63 : 1249
- Petropoulos , J. H. 1973 . J. Polym. Sci. , 11 : 1867
- Petropoulos , J. H. 1974 . J. Polym. Sci. , 12 : 35
- Graves , D. J. , Idicula , J. , Lambertsen , C. J. and Quinn , J. A. 1973 . Science , 179 : 582
- Lee , C. H. in press . J. Appl. Polym. Sci. ,
- Loeb , S. and Sourirajan , S. 1962 . Advan. Chem. Ser. , 38 : 117
- Private communications with Eli Perry, Corporate Research Department, Monsanto Co., St. Louis, Missouri