000 00361nam a2200169Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aCompanion, A.L.
245 _aChemical bonding
250 _aSecond
260 _c1980
546 _aEnglish
942 _2ddc
_cBK
999 _c32940
_d32940
005 20220125170302.0