3) Meckel, W. Goyert, W. and Wieder, W.:“Thermoplastic Elastomers-A Comprehensive Review”, edited by Legge, N. R. Holden, G. and Schroeder, H. E., Hanser, Munich (1987), chapter 2
4) Ma, E. C.: “Handbook of Thermoplastic Elastomers”, 2nd Ed., edited by Walker, B. M. Rader, C. P., Van Nostrand Reinhold, New York (1990) chapter 7