000 00338nam a2200133Ia 4500
008 220919s9999 xx 000 0 und d
082 _bDAR
100 _aDARA, S.S.
245 2 _aA TEXT BOOK OF ENGINEERING CHEMISTRY
260 _bS.CHAND AND COMPANY PVT. LTD., NEW DELHI
_c2010
300 _a972
650 _aChemistry
942 _cBK
999 _c146706
_d146706