1. Presented at the 2nd European Pesticide Residues Workshop;van der Schee,1998
2. Presented at the European Union Analytical Quality Control Workshop;Avramides,2003
3. Presented at the 5th European Pesticide Residues Workshop;de Kok,2004
4. Presented at the 5th European Pesticide Residues Workshop;Avramides,2004
5. European Commission, Quality Control Procedures for Pesticide Residues Analysis, 5 February 2004, Commission Working Document No. SANCO/10476/2003, Brussels, third ed.