Conference paper (2010) - FMH Crompvoets (author), D Brokken (author), PJ de Koning (author), T.I. Valadas Leitao (author), S. J. Picken (author), SJ Picken (author), S.J. Picken (author), Stephen Picken (author), Stephen J. Picken (author), E. Mendes (author), E Mendes (author), Eduardo Mendes (author)