Conference paper (2001) - A.C.W.M. Vrouwenvelder (author), R Lovegrove (author), M Holicky (author), P Tanner (author)

Conference paper (1999) - RG van Veen (author), A.H. Verbruggen (author), F Kuper (author), MSP Andriesse (author), E.W.J.M. van der Drift (author), S Radelaar (author), S Anders (author), HM Jaeger (author), Z Wang (author), P Tanner (author), C Salm (author), T Mouthaan (author)