TY  - BOOK
AU  - Biswas, Asit K.,ed.
TI  - Models for water quality management
SN  - 0-07-005481-9
U1  - 628.1682 
PY  - 1981///
CY  - USA
PB  - Advanced Book Program
KW  - Trent river systems
KW  - Water quality management
N1  - Includes bibliographical refrences and index
ER  -