000 00340nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aWasuwat S
245 0 _aRubber wood one of the natural resources which should be utilized more efficiently
260 _bKaikorn
_c1979
300 _a99-105
500 _aAGRIS CD 1975-1980
942 _cBO
999 _c47683
_d47683