000 00311nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
245 0 _aPhosphorus : Its role in rubber cultivation
260 _bPlanters Bulletin
_c1972
300 _a82-91
650 _aPhosphorus
650 _aRubber cultivation
942 _cJS
999 _c64891
_d64891