TY  - BOOK
AU  - Kitch,John
ED  - United States.
TI  - Data base system for state water quality management information system
U1  -  628.168 
PY  - 1978///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Water quality managementes
KW  - Sewage
KW  - Purification
ER  -