00307nam a2200073Ia 4500008004100000082002200041245012600063260004400189220204s9999    xx            000 0 und d  aNR:063IR1959bNRB 0aCompendium of six papers on natural rubber delivered at the International Rubber Conference, Washington DC, November 1959  aWashingtonbNatural Rubber Bureauc1959