TY  - BOOK
AU  - Hammer,Mark J.
TI  - Water and waste-water technology
U1  - 628.1 HAM 
PY  - 1977///
CY  - New York
PB  - Wiley
KW  - Water-supply engineering
KW  - Sewage disposal
N1  - Includes bibliographical references and index
ER  -