TY  - BOOK
AU  - Tchobanoglous, George
AU  - Schroeder,Edward D.
TI  - Water quality: characteristics, modeling, modification 
SN  - 0201054337
PY  - 1985///
CY  - Reading, MA
PB  - Addison-Wesley
KW  - Water quality
KW  - Mathematical models
N1  - Includes bibliographical references and index
ER  -