000 00246nam a2200109Ia 4500
008 170824s9999 xx 000 0 und d
020 _a0-190914732-9
082 _a540 BET
100 _aBETHELL GEORGE
245 _aCHEMISTRY FIRST
260 _bOXFORD
942 _cBK
999 _c4800
_d4800