Applied Stream Sanitation /
Velz, Clarence J.
Applied Stream Sanitation / - 1st ed. - [S.l.] : Wiley, 1970. - 619 p.
0471905259 (hardcover) 9780471905257 (hardcover)
Stream self-purification
Applied Stream Sanitation / - 1st ed. - [S.l.] : Wiley, 1970. - 619 p.
0471905259 (hardcover) 9780471905257 (hardcover)
Stream self-purification