TY  - BOOK
ED  - AMERICAN WATER WORKS ASSOCIATION
TI  - Journal Of American Water Works Association Vol.89;1997
U1  - 627.05 
PY  - 1997///
CY  - WASHINGTON DC
PB  - AMERICAN WATER WORKS ASSOCIATION
KW  -  CIVIL ENGINEERING
KW  - AMERICAN WATER WORKS ASSOCIATION
ER  -