1. Chemical Research; Syngenta Crop Protection AG; Schaffhauserstrasse 101 CH-4332 Stein Switzerland
2. Biological Research; Syngenta Crop Protection AG; Schaffhauserstrasse 101 CH-4332 Stein Switzerland
3. Syngenta Jealotts Hill Int. Research Center; Bracknell Berkshire RG42 6EY UK