000 00257nam a22001217a 4500
003 SGT
082 _a660,SRI
100 _aSRIVASTAVA, H.C,
245 _aENGINEERING CHEMISTRY
260 _bPRAGATI EDITION PUB.
_c2012
300 _a350
942 _2ddc
_cRARE
999 _c34675
_d34675