1. Haesen, G. et Schwarz, A., dans Migration Phenomena in Food Packaging. Commission of the European Communities, Petten, 1978.
2. Taverdet, J.L., Thèse de Doctorat d'Etat ès-Science, N°49, Saint-Etienne, France, 1985.
3. Fertikh, N., Magister, Université de Annaba, Décembre 1989.
4. DIN 53 726.
5. Phenomenological study of the transfers between a plasticizer dispersed in a plastic disc and sunflower oil