TY  - BOOK
AU  - Guttman,Daniel L.
AU  - Clark,Robert M.
ED  - United States.
TI  - Computer cost models for potable water treatment plants
U1  -  628.16220973 
PY  - 1978///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Water
KW  - Purification
ER  -