TY  - BOOK
AU  - Welker, Joseph. 
TI  - Water and wastewater treatment / 
SN  - 978-1-64116-380-4
U1  - 628.162 
PY  - 2020///
CY  - Forest Hills, NY
PB  - Callisto Reference, 
KW  - Water--Purification.
KW  - Sewage--Purification.
KW  - Water treatment plants--Management.
KW  - Sewage disposal plants
KW  - Management.
KW  - Sanitary engineering
N1  - Includes bibliographical references and index.
ER  -