000 00504 a2200169 4500
020 _a9780071002318
082 _a628
_bPEA
100 _aPeavy, Howard S. & Others
_960457
245 _aEnvironmental engineering
260 _bMcGraw-Hill Book Company
_c1985
_aNew Delhi
300 _axv,,699, I-20p.
440 _aMcGraw-Hill Series in Water Resources and Environmental Engineering
_960458
_vEd by Rolf Eliassen & others
600 _939374
890 _aIndia
891 _aGratis
942 _2ddc
999 _c54524
_d54524