000 00418nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
100 _aBeng G C
245 0 _aCommercial experience with controlled upward tapping: Comparison of continuous with yearly panel-changing systems
260 _bProceedings of the RRIM Rubber Growers Conference, Ipoh, Perak 1986; p144-171
650 _aControlled upward tapping
942 _cJS
999 _c55876
_d55876