Journal article (1998) - C Dujardin (author), C Pedrini (author), F Tallauf (author), S Tavernier (author), P Bruyndonckx (author), AG Petrosyan (author), W Blanc (author), JC Gacon (author), J.C. van 't Spijker (author), OWV Frijns (author), CWE van Eijk (author), P. Dorenbos (author), Ron Chen (author), A Fremout (author)