Stenquist, Richard J. Initial mixing in coagulation processes / by Richard J. Stenquist and Warren J. Kaufman - Washington,D.C. : United States G.P.O., 1972 - 161 p. ; 28 cm. - Environmental Protection Technology Sereis . EPA-R2-72-053 November 1972 Subjects--Topical Terms: Water Pollution--Wastewater Dewey Class. No.: 628.168