TY  - BOOK
AU  - Eckenfelder,W.Wesley
TI  - Principles of water quality management
SN  - 0843603380 :
U1  - 628.3 
PY  - 1980///
CY  - Boston
PB  - CBI Pub. Co.
KW  - Water quality management
N1  - Includes index; Bibliography: p. 688-705
ER  -