000 00309nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aAllen P W
245 0 _aProblems facing synthetic rubber producers
260 _bRubber Developments
_c1967
300 _a78-80
650 _aSynthetic rubber
942 _cJS
999 _c65723
_d65723