000 00311nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
245 0 _aPerformance of clones in commercial practice : Fourth report
260 _bPlanters Bulletin
_c1968
300 _a34-43
650 _aRubber
650 _aYield
942 _cJS
999 _c64717
_d64717