00816nam a22001937a 4500 20181209235811.0 180409s1993 bg ||||| |||| 00| 0 eng d BD-DhBPA BD-DhBPA 333.91 HYP 1993 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 Moklesur Hypertrophic 30009 ecosystems 30010 Tilzer, Max M. 30011 Khondker, Moniruzzaman 30012 ddc BK 10388 10388 0 ddc 0 0 BPATC BPATC GEN 2018-04-09 0 333.91 HYP 1993 G3134 2018-04-09 00:00:00 2018-04-09 BK Moklesur