1. ?Handbook of Thermoplastic Elastomers,? Van Nostrand Reinhold Company, New York (1979).
2. and ?Developments In Rubber Technology-3, Thermoplastic Rubbers,? Applied Science Publishers, London (1982).
3. and ?Science and Technology of Rubber,? Ed., Ch. 13, Academic Press Inc., New York (1978).
4. US Pat. No. 3835201 (1972).