00355nam a2200109Ia 4500008004100000245007600041260006800117300001000185650001300195650001800208650001900226220216s9999    xx            000 0 und d 0aApproaches to minimise constraints with upward tapping on smallholdings  bRubber Board Bulletin (Reproduced from Planters Bulletin)c1982  a15-18  aMalaysia  aSmallholdings  aUpward tapping