00638nam a22001457a 4500003000800000005001700008008004100025020001500066040002100081082001600102245026400118260005100382300003800433500002100471BD-DhUL20141110110741.0141110s1993 b a|||| |||| 001 0 eng d a9845101003 cBD-DhULdBD-DhUL a551.48bINH aHypertrophic and polluted freshwater ecosystems : becological basesfor water resource management : proceedings of an International symposium on limnology held in Dhaka, Bangladesh, 25-28 November, 1991 / cEdited by, Max M. Tilzer and Moniruzzaman Khondker.  aBangladesh : bDepartment of Botany, cc1993.  aviii, 229 p. : bill. ; c25 cm.  aIncludes Index.