000 00336 a2200133 4500
020 _a8121905399
082 _a540
_bDAT
100 _aDara, S. S.
_930581
245 _aA textbook in engineering chemistry
260 _aNew Delhi
_bS. Chand & Co.
_c1994
300 _a720p.
650 _aChemical engineering-Textbook
_930582
942 _cBK
999 _c53701
_d53701