Report (1996) - R Dantzig (author) , N de Groot (author) , H Postma (author) , L Klostermann (author) , E Kok (author) , MF Litmaath (author) , JEJ Overski (author) , MK Ballintijn (author) , TJ Ketel (author) , G van Middelkoop (author) , EP Sichyermann (author)