Fisher, R E, France, J, Lowry, D, Lanoiselle, M, Brownlow, R, Cain, M, Warwick, N, Skiba, U, Drewer, J, Dinsmore, K, Leeson, S, Bauguitte, S J-B, Welpott, A, O'Shea, S, Allen, G, Gallagher, M, Pitt, J, Percival, C J, Bower, K, George, C, Hayman, G, Aalto, T, Lohila, A, Laurila, T, Crill, P M, McCalley, C & Nisbet, E 2017, ' Measurement of the 13C isotopic signature of methane emissions from Northern European wetlands ', Global Biogeochemical Cycles, vol. 31, no. 3 . https://doi.org/10.1002/2016GB005504