1. ILSI Europe Newsletter, 28 Oct. 1997, 5, 6.
2. G. Haesen, A. Schwarze, Migration Phenomena in Food Packaging, Commission of EC, 1978.
3. J.M. Vergnaud, in: `Liquid Transport Processes in Polymeric Materials', Prentice Hall Publ., Englewood Cliffs, N.J., USA, 1991.
4. EEC Comission, document 3003/VI/74-D, Brussels, Sept. 1, 1974.
5. Simultaneous nonlinear diffusion of a solvent and organic penetrant in a polymer