1. Palmgren, H., (a) Europ. Rubber J., 156, 1974, 30; also reprinted in (b) Rubber Chem. Technol., 48, 1975, 462.
2. Funt, J. M., Mixing of Rubbers, RAPRA Publications, Shawbury, UK, 1977.
3. Morrell, S. H., Prog. Rubber Technol., 41, 1978, 97.
4. Johnson, P. S., in Basic Compounding and Processing of Rubber, ed. H. Long, Rubber Division, ACS, Washington, 1985.
5. 2. Hindmarch, R. S. And GALE, G. M., (a) Europ. Rubber J., 164, 1982, 29