000 00303nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
100 _aGeorge M J
245 0 _aEffect of marking immature rubber trees on the subsequent girthing
260 _bRubber Board Bulletin
_c1967
300 _a30-32
942 _cJS
999 _c57948
_d57948