000 00324nam a2200109Ia 4500
008 220216s9999 xx 000 0 und d
100 _aNugawela A
245 0 _aHow and why the intake of a tapper should be increased
260 _bBulletin of the Rubber Research Institute of Sri Lanka
_c1998
300 _a66-70
942 _cJS
999 _c60491
_d60491