1. Anon. 2006. Proposal for a directive of the European Parliament and of the council establishing a framework for community action to achieve a sustainable use of pesticides. http://ec.europa.eu/environment/ppps/pdf/final_report_ipm.pdf.
2. Phytophthora infestanson potato
3. Bjerre KD, Jørgensen LN, Secher BJM. 1998. Sygdomskort og positionsbestemt fungicidanvendelse [Disease maps and site-specific fungicide application]. 15.Danske Planteværnskonference – Sygdomme og skadedyr. DJF rapport no. 3; p. 133–144.
4. Effects of Plant Nutrition on Susceptibility of Potato Leaves to Phytophthora infestans