000 00468 a2200157 4500
082 _a628
_bVAZ
090 _c21412
_d33249
100 _aVazirani, V. N.
245 _aWater supply and sanitary engineering
260 _aDelhi
_bKhanna Publishers
_c1979
_g1986
300 _aviii,338p.
_c22cm
440 _aPublic health engineering
650 _aSanitary and municipal engineering Environmental protections engineering
700 _aChandola, S. P.
942 _cL
999 _c48900
_d48900