Davis, Mackenzie L. Water and wastewater engineering : design principles and practice - McGraw Hill Education (India) ed.[2013]6th rep. [2017] - Chennai McGraw Hill Education (India) 2013 - Various pagings ; 24 cm. ISBN: 9781259064838 Subjects--Index Terms: Civil engineering Sewerage Sewage--Purification Water--Purification Sewage disposal Water-supply engineering Sanitary microbiology CE208 Dewey Class. No.: 628.1 / DAV