Report (2000) - JM Hoekstra (author), RCJ Ruigrok (author), J. Groeneweg (author), FJL Bussink (author), R.N.H.W. van Gent (author), E Visser (author), J de Visser (author), B Gijbers (author), MSV Valenti Clari (author), WMM Heesbeen (author), BG Hilburn (author), H.A.P. Blom (author)