TY  - BOOK
AU  - Eckenfelder, W. Wesley , 1926-
TI  - Principles of water quality management
SN  - 0843603380
AV  - TD365.E25 1980 
PB  - CBI Publishing Company
KW  - Water quality management
KW  - TD
N1  - Includes bibliographical references and index
ER  -