000 00346nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aStevens, B.
245 _aAtomic structure and valency
260 _c1962
546 _aEnglish
942 _2ddc
_cBK
999 _c31324
_d31324
005 20220125170222.0