International Rubber Study Group Proceedings of the 30th assembly of the International Rubber Study Group : Papers presented at the International Rubber Forum, Hamburg, September/October 1987 (Book) - London Secretariat of the International Rubber Study Group 1987 - 133 p. 30 cm. Subjects--Topical Terms: Rubber industry and trade--Congresses Universal Decimal Class. No.: 678:061.3(100) PRO / 5177