1. Rubber technology;Morton,1987
2. Annual book of ASTM standards. Carbon blacks used in rubber products D-1765; 1987.
3. SBR finish product specifications, Petkim, Izmit; 1995.
4. Annual book of ASTM standards. Rubber evaluation of SBR, including mixture with oil D3185; 1987.
5. Annual book of ASTM standards. Equipment and procedures for mixing standard, compounds and preparing standard vulcanised sheets D-3182; 1987.