000 00434nam a22001697a 4500
003 NUST - PNEC
005 20170116180847.0
008 150824b xxu||||| |||| 00| 0 eng d
020 _a8121903599
040 _cLIBRARY
082 _a660 DAR
100 _95511
_aDara, S. S.
245 _aTextbook of engineering chemistry
_cDara, S. S.
260 _cc.1986
650 _95515
_aChemical engineering
_xGeneral, ME
942 _2ddc
_cBK
999 _c64496
_d64496