00972pam a2200265 a 4500001000800000003000400008005001700012007000400029008004100033010001700074020001500091040001900106050002300125082001900148245015800167260006200325300003200387440003900419500004300458504005100501650005100552650003600603700003500639700003200674291008600020170828094641.0000880415r19881988ne a     b    101 0 eng    a   88014847   a9061936578  aUOELcDLCdDLC00aQH545.P5bP48 198800a574.5/263221900aPhosphorus in freshwater ecosystems :bproceedings of a symposium held in Uppsala, Sweden, 25-28 Sept. 1985 /cedited by Gunnar Persson and Mats Jansson.  aDordrecht ;aBoston :bKluwer Academic Publishers,c1988.  av, 340 p. :bill. ;c27 cm. 0aDevelopments in hydrobiology ;v48  a"Reprinted from Hydrobiologia (1988)."  aIncludes bibliographical references and index. 0aPhosphorusxEnvironmental aspectsxCongresses. 0aFreshwater ecologyxCongresses.1 aPersson, Gunnar,d1943 May 16-1 aJansson, M.q(Mats),d1947-