Conference paper (2003) - GR Lesser (author), JH de Vroeg (author), Dano Roelvink (author), J.A. Roelvink (author), Jan Adriaan Roelvink (author), D. Roelvink (author), Dano J.A. Roelvink (author), J. A. Roelvink (author), M de Gerloni (author), V Ardone (author)