000 00336nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
100 _aPNg T C
245 0 _aControlled upward tapping
260 _bProceedings of the Rubber Research Institute of Malaysia, Planters Conference 1976, Kuala Lumpur
_c1976
300 _a177-207
942 _cJS
999 _c56344
_d56344