000 00396nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aBarnard Douglas
245 0 _aNew ways with natural : Natural rubber is being modified to enhance its properties
260 _bRubber Board Bulletin
_c1982
300 _a11-Aug
650 _aNatural rubber
650 _aPowdered Natural rubber
942 _cJS
999 _c63938
_d63938