Emission factors and their uncertainty for the exchange of CO2, CH4 and N2O in Finnish managed peatlands - Alm, Jukka; Shurpali, Narasinha J.; Minkkinen, Kari; Aro, Lasse; Hytönen, Jyrki; Laurila, Tuomas; Lohila, Annalea; Maljanen, Marja; Martikainen, Pertti J.; Mäkiranta, Päivi; Penttilä, Timo; Saarnio, Sanna; et al. (Boreal Environment Research Publishing Board, 2018)