000 00294nam a22001217a 4500
041 _aENG
100 _aGarg.S.K
245 _aEnvirinmental Engineering Vol 1 Water Supply Engineering
260 _aDelhi
_bKhanna Publishers
_c1977
300 _a1180
650 _aEOES
856 _uEOES ( 12 )
999 _c1230
_d1230