000 00317nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aChua S E
245 0 _aPhysiological aspects of exploitation
260 _bPlanters Bulletin
_c1965
300 _a139-143
650 _aRubber
650 _aTapping
942 _cJS
999 _c64982
_d64982