TY  - BOOK
AU  - Coulston,Frederick
AU  - Mrak,Emil
ED  - International "Water quality" Forum on
TI  - Water quality: proceeding
SN  - 012193150
U1  - 628.1 
PY  - 1977///
CY  - New York
PB  - Academic Press
KW  - Water quality
KW  - Water quality management
KW  - Congresses
KW  - Water conservation
N1  - Includes index
ER  -