00339nam a2200121Ia 4500008004100000100001800041245004500059260006100104300001200165650001300177650001100190700001600201220216s9999    xx            000 0 und d  aPushparajah E 0aManuring of rubber in relation to covers  bJournal of the Rubber Research Institute of Malayac1968  a126-139  aManuring  aRubber  aChellapahK