00301nam a2200109Ia 4500008004100000100001200041245005700053260002800110300001200138650001900150650002200169220216s9999    xx            000 0 und d  aLau C M 0aFree-flowing natural rubber production - An overview  bPlanters Bulletinc1979  a125-130  aNatural rubber  aRubber production