TY  - BOOK
AU  - Association,American Water Works
AU  - Letterman,Raymond D.
TI  - Water quality and treatment: a handbook of community water supplies 
SN  - 0070016593
U1  - 363.61 
PY  - 1999///
CY  - New York
PB  - McGraw-Hill
KW  - Water
KW  - Water quality
N1  - Includes bibliographical references and index
ER  -