1. Member, ASCE
2. Dr., Sr. Res. Engr., Halcrow Maritime, Halcrow Group Ltd., Burderop Park, Swindon, Wiltshire, SN4 0QD, U.K. E-mail: lib@halcrow.com
3. Dr., Chief Executive, Halcrow Maritime, Halcrow Group Ltd., Burderop Park, Swindon, Wiltshire, SN4 0QD, U.K.