1. Kramer, E. J.: Environmental Cracking of Polymers, Chap. 3 in Developments in Polymer Fracture (ed. E. H. Andrews), Applied Sci. Publishers, Barking, UK, 1979 p. 55
2. Kambour, R. P.: J. Polymer Sci. Macromol. Rev. 7, 1 (1973)
3. Rabinowitz, S., Beardmore, P.: CRC Reviews in Macromol. Sci. 1, 1 (1972)
4. Gent, A. N.: The Mechanics of Fracture, AMD, Vol. 19 (ed. F. Erdogon), New York, ASME, 1976 p. 55
5. Maxwell, B., Rahm, L. F.: J. Soc. of Plastics Eng. 6, 473 (1965)