TY  - BOOK
AU  - Welker, Joseph
TI  - Water and wastewater treatment
SN  - 9781641163804 (Paperback)
U1  - 628.16 
PY  - 2020///
CY  - New York, USA
PB  - Callisto Refeence
KW  - Welker, Joseph
KW  - Water
KW  - Purification
KW  - Sewage
KW  - Water treatment plants
KW  - Management
KW  - Sewage disposal plants
KW  - Sanitary engineering
N1  - Includes bibliographical references and index
ER  -