Biblio
Bioindicators of enhanced nitrogen deposition. Environmental Pollution. 126(3):353-361.
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2003. .
2003. The processes controlling uptake and storage of N and the effects of N deposition on semi-natural vegetation.. Nitrogen Umbrella Project.
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2003. Standardised Grasses as Biomonitors of Ammonia Pollution Around Agricultural Point Sources. Atmospheric Ammonia. :269-279.
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2009.