000 00267nam a22001217a 4500
008 181016b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a540
100 _a12
101 _aKIM
245 _aBasic concepts of Chemistry
_cSherman,A
942 _2udc
_cBK
999 _c49906
_d49906