TY  - BOOK
AU  - -, -
AU  - Tilzer,Max M.
TI  - Hypertrophic and polluted freshwater ecosystems: ecological bases for water resource management
SN  - 172086
U1  - 628.1/H998 
PY  - 1993///
CY  - Dhaka
PB  - Department of botany, Dhaka Univ.
KW  - Water pollution
N1  - -
ER  -