000 00319nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
245 0 _aIntensive tapping of older rubber
260 _bPlanters Bulletin
_c1970
300 _a19-Dec
650 _aIntensive tapping
650 _aRubber
650 _aYield
942 _cJS
999 _c61490
_d61490