Journal article (2006) - FO Aboka (author), HL Yang (author), L.P. de Jonge (author), R.W.H. Kerste (author), WA van Winden (author), W.M. van Gulik (author), Walter M. van Gulik (author), R Hoogendijk (author), A. Oudshoorn (author), J.J. Heijnen (author), Joseph J. Heijnen (author)