1. Then at: Section Wind Energy, Delft University of Technology, PO Box 5048, 2628 CN Delft, Netherlands, tel:+31-15-278-5167;
2. ECN, P.O. Box 1, 1755 ZG Petten, Netherlands, tel: +31-224-564102; fax +31-224-56 8214
3. MARIN, Haagsteeg 2, 6708 PM Wageningen, Netherlands, tel +31-317-493452; fax:+31 (317) 493 245.
4. Marine Structure Consultants MSC, P.O. Box 687, 3100 AR Schiedam, Netherlands, tel +31-10-246-6940.
5. TNO Bouw, Centre for Maritime Construction, P.O. Box 49, 2600 AA Delft, Netherlands, tel: 31-15-2695379.