00319nam a2200109Ia 4500008004100000100002300041245004600064260006500110300001000175650001300185650001100198220216s9999    xx            000 0 und d  aTillekeratne L M K 0aOil palm- and alternate crop for rubber ?  bBulletin of the Rubber Research Institute of Sri Lankac2001  a54-56  aOil palm  aRubber