Journal article (1997) - Richard H.M. Goossens (author), Richard Goossens (author), Richard Hendrik Goossens (author), R.H.M. Goossens (author), RHM Goossens (author), CJ Snijders (author), C.J. Snijders (author), TG Holscher (author), WC Heerens (author), AE Holman (author)