TY  - BOOK
AU  - Clark, John W.
AU  - Viessman, Warren,;Hammer, Mark J.,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0700224955 (hardback);9780700224951
SN  - 2
PY  - 1977///;copyright 197746
CY  - New York
PB  - IEP--Dun-Donnelley, Harper & Row
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Water-supply.;Sewage
N1  - Includes bibliographical references and index; 5; Also issued online
ER  -