000 00442nam a2200157 a 4500
999 _c1595
_d1595
020 _a0471905259 (hardcover)
020 _a9780471905257 (hardcover)
100 1 _aVelz, Clarence J.
245 1 0 _aApplied Stream Sanitation /
250 _a1st ed.
260 _a[S.l.] :
_bWiley,
_c1970.
300 _a619 p.
650 _aStream self-purification
856 4 0 _uhttp://www.amazon.com/exec/obidos/ASIN/0471905259/chopaconline-20
942 _cBK