Höglund-Isaksson, L , Thomson, A., Kupiainen, K., Rao, S., & Janssens-Maenhout, G. (2015). Anthropogenic methane sources, emissions and future projections. In: AMAP Assessment 2015: Methane as an Arctic climate forcer. pp. 39-60 Oslo, Norway: Arctic Monitoring and Assessment Programme (AMAP). ISBN 978-82-7971-091-2