Cowan, P. A.
Modeling the performance of the intermittent sand filter / P. A. Cowan, E. J. Middlebrooks. - Logan, US : Utah Water Research Laboratory , cop. 1979 . - 115 p. : il. ; 27 cm. - (Water Quality Series)
ISBN
Modeling the performance of the intermittent sand filter / P. A. Cowan, E. J. Middlebrooks. - Logan, US : Utah Water Research Laboratory , cop. 1979 . - 115 p. : il. ; 27 cm. - (Water Quality Series)
ISBN
