000 00445nam a2200169Ia 4500
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040 _aCentral Library-NITS
041 _aEnglish
082 _a628.1
_bVEL
100 _aVelz, Clarence J.
245 _aApplied stream sanitation
_cClarence J. Velz
260 _aNew York
_bWiley-Interscience
_c1970
300 _aviii, 619p.
504 _aIncludes index
650 _aStream sanitation.
942 _cBK
999 _c3505
_d3505