Future of natural and synthetic rubbers: Proceedings of a Symposium organised by the International Rubber Study Group, 29 May to 1st June 1962, Washington DC.
Future of natural and synthetic rubbers: Proceedings of a Symposium organised by the International Rubber Study Group, 29 May to 1st June 1962, Washington DC.
- London IRSG 1962
NR:063IRS1962 / IRS;3
NR:063IRS1962 / IRS;3