00449nam a2200133Ia 4500008004100000100001500041245004200056260006100098300001100159650001900170942000700189999001700196952010200213220216s9999    xx            000 0 und d  aBekema N P 0aConsumer appraisals of natural rubber  bJournal of the Rubber Research Institute of Malayac1969  a13-Jan  aNatural rubber  cJS  c56218d56218  00104078aMAINbMAINc2d2021-12-17hVolume 22, Issue 1l0r2021-12-17 00:00:00w2022-02-16yJS