TY  - BOOK
AU  - Hammer 
TI  - Water and wastewater technology 
SN  - 0132056267 
U1  - 628.1 HAM 1996 
PY  - 1996///
CY  - Englewood cliffs,N.J.
PB  - Prentice Hall
KW  - Sewage disposal
KW  - Water-supply engineering
N1  - Includes bibliographical references and index
ER  -