Nygaard, Erik, Vibeke Ernstsen, Carsten S Jacobsen, Ole H Jacobsen, René K Juhler, Peter van der Keur, Svend E Olesen, Jim Rasmussen, Per Rosenberg, and Henrik Vosgerau. 2004. “Pesticide Leaching in Danish Groundwater: Identification of Vulnerable Areas”. GEUS Bulletin 4 (July). Copenhagen, Denmark:25-28. https://doi.org/10.34194/geusb.v4.4774.