000 00304nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHIEDEBRAND (Joel H) ; POWELL (Richerd E)
245 0 _aPrincilples of chemistry
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c27285
_d27285