Journal article (2004) - J García-Turiel (author), B. Norder (author), Ben Norder (author), F Chávez (author), BJ Kooi (author), WE van Zyl (author), H Verweij (author), DHA Blank (author)

Journal article (2004) - M. García (author), M García (author), M Garcia (author), M. Garcia (author), G van Vliet (author), MGJ ten Cate (author), F Chávez (author), Ben Norder (author), B. Norder (author), B Kooi (author), WE van Zyl (author), H Verweij (author), DHA Blank (author)