International Rubber Study Group
Proceedings of the 94th meeting of the IRSG held on 22 - 25 June 1981, London (Book) - London IRSG 1981 - 160 p. 28 cm.
678 : 061.3 IRS / 14453
Proceedings of the 94th meeting of the IRSG held on 22 - 25 June 1981, London (Book) - London IRSG 1981 - 160 p. 28 cm.
678 : 061.3 IRS / 14453