%0 Report %D 2010 %T Mapping Critial Levels for Vegetation %A UNECE %B Manual on Methodologies and Criteria for Modelling and Mapping Critical Loads & Levels and Air Pollution Effects, Risks and Trends %7 2004 %U http://www.icpmapping.org/Mapping_Manual %N Chapter 3 %F critical load level reference %0 Report %D 2007 %T Report on the Workshop on Atmospheric Ammonia: Detecting Emission Changes and Environmental Impacts %A UNECE %B Review of the 1999 Gothenburg Protocol %I United Nations Economic and Social Council (UNECE), Executive body for the Convention of Long-Range Transboundary Air pollution: Working Group on Strategies and Review %C Geneva %8 04/2007 %U http://www.ammonia-ws.ceh.ac.uk/documents/ece_eb_air_wg_5_2007_3_e.pdf %N Thirty-ninth session %F critical load level reference %0 Report %D 2004 %T Manual on methodologies and criteria for modelling and mapping critical loads and levels and air pollution effects risks, and trends, %A UNECE %I UNECE Convention on Long-range Transboundary Air Pollution %C Berlin, Germany %P 202 %U http://www.rivm.nl/en/themasites/icpmm/manual-and-downloads/manual-english/index.html %F critical load level reference %0 Report %D 2003 %T Empirical Critical Loads for Nitrogen - Expert Workshop, Berne 2002 %A UNECE %A Achermann, B. (Eds) %A Bobbink, R. (Eds) %B Environmental Documentation %I SAEFL %V 164 %0 Conference Proceedings %B Convention on Long-range Transboundary Air Pollution %D 1996 %T Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded %A UNECE %B Convention on Long-range Transboundary Air Pollution %I Federal Environmental Agency (Umweltbundesamt) %C Berlin, Germany