Journal article (2001) - AJ Sandee (author), RS Ubale (author), M. Makkee (author), Michiel Makkee (author), JNH Reek (author), PCJ Kamer (author), Jacob A. Moulijn (author), J.A. Moulijn (author), JA Moulijn (author), PWNM van Leeuwen (author)