THE RETURN OF ATLANTIC SALMON ( SALMO SALAR L.) AND IMPROVED WATER QUALITY IN URBAN RIVERS IN OSLO, NORWAY.Published in:River Research & Applications, 2014, v. 30, n. 5, p. 571, doi. 10.1002/rra.2670By:Saltveit, S. J.;Brittain, J. E.;Bremnes, T.;Brabrand, Å.;Bækken, T.Publication type:Article