000 00287nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:62TN
_bBAY.49
245 0 _aTechnical notes for rubber industry,No.49
260 _aGermany
_bBayer
_c1976
650 _aRubber chemicals
942 _cBK
999 _c43492
_d43492