Media type: E-Article Title: Rapid decline of dissolved nitrogen in Finnish lakes Contributor: Rekolainen, Seppo; Mitikka, Sari; Vuorenmaa, Jussi; Johansson, Matti Published: Elsevier BV, 2005 Published in: Journal of Hydrology, 304 (2005) 1-4, Seite 94-102 Language: English DOI: 10.1016/j.jhydrol.2004.07.024 ISSN: 0022-1694 Origination: Footnote: