TY  - BOOK
ED  - AWWA Seminar on Practical Lake Management for Water Quality Control
ED  - American Water Works Association.
TI  - Proceedings
SN  - 0898674964
AV  - TD365 A89
PY  - 1989///
CY  - Denver, colorado
PB  - American water works association
KW  - Control de calidad del agua
KW  - Congresos
ER  -