00349nam a2200097Ia 4500008004100000100001700041245009700058260006100155300001200216650002300228220216s9999    xx            000 0 und d  aRiepma Kzn P 4aThe effect of paraquat on some grasses and other weeds commonly found in rubber plantationds  bJournal of the Rubber Research Institute of Malayac1962  a141-149  aRubber plantations