Institution: | 1. Marine Chemistry Section, The H. C. Ørsted Institute, DK-2100 Copenhagen Denmark;2. Department of Organic Chemistry, The Technical University of Denmark, DK-2800 Lyngby Denmark;3. Freshwater Biological Laboratory, University of Copenhagen, 51, Helsinørgade, DK-3400 Hillerød, Denmark;4. Cheminova, P.O. Box 9. DK-7620 Lemvig, Denmark |