Conference paper (2003) - G Gelfenbaum (author), Dano Roelvink (author), Dano J.A. Roelvink (author), J.A. Roelvink (author), D. Roelvink (author), J. A. Roelvink (author), Jan Adriaan Roelvink (author), M Meijs (author), M Buijsman (author), P Ruggiero (author), Peter Ruggiero (author)