000 00313nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aNg E K
245 0 _aTapping experiments on older rubber
260 _bPlanters Bulletin
_c1965
300 _a226-235
650 _aRubber
650 _aTapping
942 _cJS
999 _c70222
_d70222