Biblio
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2010. Response of phosphomonoesterase activity in the lichen Cladonia portentosa to nitrogen and phosphorus enrichment in a field manipulation experiment. New Phytologist. 186(4):926-933.
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2006. Heathland vegetation as a bio-monitor for nitrogen deposition and source attribution using delta N-15 values. Atmospheric Environment. 40(3):498-507.
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2002. A comparison of impacts of N deposition applied as NH3 or as NH4Cl on ombrotrophic mire vegetation. Special Edition Responses of Plant Metabolism to Air Pollution and Global Change. 42(3):83-88.