Journal article (2011) - G Bolt (author), R.J. Kleinhans (author), Reinout Kleinhans (author), E Lindeman (author)

Journal article (2008) - G. Kwakkel (author), CGM Meskers (author), E.E. van Wegen (author), G.J. Lankhorst (author), A.C.H. Geurts (author), A.A. van Kuijk (author), E Lindeman (author), A. Visser-Meily (author), E. de Vlugt (author), JH Arendzen (author)