1. Danish EPA (Danish Environmental Protection Agency). 2004. Pesticide Use Statistics 2003 (in Danish)
2. Danish VFA (Danish Veterinary and Food Administration). 2004. Results from the Danish Monitoring of Pesticide Residues 2003 (in Danish). Available:http://www.dfvf.dk/Files/Filer/Pesticid/Rapport2003.pdf
3. DFVF (Danish Institute for Food and Veterinary Research). 2006. Results from the Danish Monitoring of Pesticide Residues 2004 (in Danish). Available:http://www.dfvf.dk/Files/Filer/Pesticid/Rapport2004.pdf
4. European Commision. 2002. Monitoring of Pesticide Residues in Products of Plant Origin in the European Union, Norway, Iceland and Lichtenstein – 2000 report. SANCO/687/02. Available:http://europa.eu.int/comm/food/fvo/specialreports/pesticide_residues/report_2000_en.pdf
5. European Commision. 2003. Monitoring of Pesticide Residues in Products of Plant Origin in the European Union, Norway, Iceland and Lichtenstein – 2001 report. SANCO/20/03. Available:http://europa.eu.int/comm/food/fvo/specialreports/pesticide_residues/report_2001_en.pdf