000 00459cas a2200205ua 4500
001 52498
005 20171214170143.0
007 ta
008 160728s a g b000 u eng u
020 _cNULL (Binding)
040 _aMAIN
041 1 _aeng
_hNULL
082 1 4 _a540
_bCHA/C
100 1 _aChang, Raymand .
245 1 0 _aChemistry /
_cRaymand Chang.
300 _aNULL :
_bills.,tables ;
_cNULL .
504 _aNULL
653 0 _aCHEMISTRY
942 _cBK
999 _c52173
_d52173