Conference paper (2004) - P.A. van der Duin (author), A.L Porter (author), H. Linstone (author), V. Marchau (author), G. Massari (author), I. Miles (author), M. Mogee (author), A. Salo (author), F. Scapolo (author), R. Smits (author), Wil Thissen (author), W.A.H. Thissen (author), W. Bradford Ashton (author), G. Clar (author), J.F. Coates (author), K. Cuhls (author), S.W. Cunningham (author), K. Ducatel (author), L. Georgehiou (author), T. Gordon (author)