1. Long Term Experiments with Acid Rain in Norwegian Forest Ecosystems;Abrahamsen,1994
2. Methane consumption in temperate and subarctic forest soils: rates, vertical zonation, and responses to water and nitrogen;Adamsen;Applied and Environmental Microbiology,1993
3. Spatial and seasonal nitrous oxide and methane fluxes in Danish forest-, grassland-, and agroecosystems;Ambus;Journal of Environmental Quality,1995
4. Barrett, K., Seland, Ø., Foss, A., Mylona, S., Sandnes, H., Styve, H., Tarrasón, L., 1995. European Transboundary Acidifying Air Pollution: EMEP (Co-operative Programme for Monitoring and Evaluation of the Long Range Transmission of Air Pollutants in Europe) Report 1/95. EMEP, MSC-W, Oslo.
5. Physiology, biochemistry and specific inhibitors of CH4, NH4+ and CO oxidation by methanotrophs and nitrifiers;Bédard;Microbiological Reviews,1989