000 00340nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aBugbee H C
245 0 _aCommercial developments in natural rubber
260 _bRubber Developments
_c1958
300 _a38-44
650 _aNatural rubber
650 _aRubberized roads
942 _cJS
999 _c55872
_d55872