00270nam a2200073Ia 4500008004100000082001900041245011300060260002300173220204s9999    xx            000 0 und d  aNR:041983bIRS 0aProceedings of the 95th group meeting of the International Rubber Study Group, 13-17 June 1983, IRSG, London  aLondonbIRSGc1983