000 00307nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aHurlston E H
245 0 _aUse of substitute in rubber manufacture
260 _bIRI Transactions
_c1935
300 _a295-301
650 _aRubber industry
942 _cJS
999 _c71963
_d71963