WHO.
Environmental Health Criteria 221 Zinc. Geneva: World Health Organisation; 2001.
WHO.
Environmental Health Criteria 200 Copper. Geneva: World Health Organization; 1998.
WHO.
Environmental Health Criteria 200 Copper. Geneva: World Health Organisation; 1998.
Reimer PS.
Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia. Department of Chemical & Bio-Resource Engineering, Bio-resource Engineering Program, University of British Columbia; 1999.
CEIP . Emissions as used in EMEP Models. Vienna, Austria: Centre on Emission Inventories and Projections.; 2010. Available from:
http://www.ceip.at/ Erisman JW, Bleeker A.
Emission, concentration and deposition of acidifying substances. In: Studies in Environmental Science. Studies in Environmental Science. ; 1997. pp. 21-81.