Hypertrophic and polluted freshwater ecosystems :   ecological bases for water resource management : proceedings of an international symposium on limnology held in Dhaka, Bangladesh, 25- 28 november 1991 / 
edited by Max M. Tilzer and Moniruzzaman Khondker 
 - Dhaka, Bangladesh :   Departement of Botany, University of Dhaka,   1993. 
 - 229 p. :   ill. ;   27 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hypertrophic<br/>ecosystems
<br/><br/><label>Dewey Class. No.: </label>333.91  / HYP 1993