TY - BOOK AU - Davis, Mackenzie L. TI - Water and wastewater engineering : design principles and practice SN - 9781259064838 U1 - 628.1 PY - 2013/// CY - Chennai PB - McGraw Hill Education (India) KW - Civil engineering KW - Sewerage KW - Sewage--Purification KW - Water--Purification KW - Sewage disposal KW - Water-supply engineering KW - Sanitary microbiology KW - CE208 ER -