000 00291nam a22001457a 4500
020 _a9780070648197
082 _a540/CHA
100 _aChang,R.
245 _aChemistry
250 _a9
260 _aChennai
_bMGH
_c2017
300 _axxxi,1063
_bPB
650 _aChemistry
942 _cBK
999 _c223697
_d223697