Journal article (2001) - SJCh Theeuwen (author), Jacob Caro (author), VI Kozub (author), KI Schreurs (author), RP van Gorkom (author), KP Wellock (author), NN Gribov (author), S Radelaar (author), RM Jungblut (author), W Oepts (author), R Coehoorn (author)

Journal article (1997) - RJM van de Veerdonk (author), P Beli (author), KM Schep (author), JCS Kools (author), MC de Nooijer (author), MAM Gijs (author), R Coehoorn (author), WJM de Jonge (author)