000 00285nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a66(031)
_bULL.A2
245 0 _aUllman's encyclopaedia of industrial chemistry. V A2
250 _aEd.5
260 _aWeinheim
_bVCH
_c1985
942 _cBK
999 _c39060
_d39060