00385nam a2200109Ia 4500008004100000245003400041260012100075650001900196650001900215650002000234650002100254220216s9999    xx            000 0 und d 0aRubber industry down the ages  bAsian Rubber Handbook and Directory (Ed. Kurian Abraham), Rubber Asia for Dhanam Publications, Kochi, 2003, pp.25-26  aNatural rubber  aRubber history  aRubber industry  aSynthetic rubber