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Is living water possible in agricultural areas? : seminar on ecological engineering tools to combat diffuse pollution : June 20-22, 2005, Norway : proceedings | Bok | 556:63](061.3) N NJF seminar (374 : 2005 : Jeløya) / - Ås : Jordforsk, 2005. - 146 s. | NJF seminar | 2005 |