1. White, J.L. and Soos, I. (1993). Rubb. Chem. Tech., 66(3), 435.
2. ISO 1658, 1994. Natural Rubber. Test Recipes and Evaluation of Vulcanization Characteristics.
3. ISO 2302, 1985. Rubber, Isobutylene-Isoprene (IIR) — Evaluation Procedures.
4. ISO 2303, 1990. Rubber, Isoprene (IR) Non Oil-extended, Solution Polymerized types — Test Recipe and Evaluation of Vulcanization Characteristics.
5. ISO 2322,1985. Rubber, Styrene-Butadiene (SBR) — Emulsion Polymerized — Test Recipe and Method of Evaluation.