- document
- Li, M. (author), van der Beek, C.J. (author), Konczykowski, M. (author), Zandbergen, H.W. (author), Kes, P.H. (author) journal article 2002
- document
- Drost, R.J. (author), Van der Beek, C.J. (author), Zandbergen, H.W. (author), Konczykowski, M. (author), Menovsky, A.A. (author), Kes, P.H. (author) journal article 1999