Journal article (2000) - D Vanthourhout (author), A Van Hove (author), T Van Caenegem (author), I Moerman (author), P van Daele (author), RGF Baets (author), XJM Leijtens (author), MK Smit (author)

Conference paper (1999) - B Vanderhaegen (author), D Vanthourhout (author), MK Smit (author), J De Merlier (author), G Sarlet (author), L Vanwassenhove (author), I Moerman (author), P van Daele (author), RGF Baets (author), XJM Leijtens (author), JWM van Uffelen (author)