Journal article (2014) - R. van Hameren (author), AM van Buul (author), D. Visser (author), RK Heenan (author), SM King (author), S. King (author), AE Rowan (author), RJM Nolte (author), W. Pyckhout-Hintzen (author), JAAW Elemans (author), MC Feiters (author)

Journal article (2013) - PHJ Kouwer (author), M Koepf (author), S.J. Picken (author), S. J. Picken (author), Stephen J. Picken (author), SJ Picken (author), Stephen Picken (author), RJM Nolte (author), E. Mendes (author), E Mendes (author), Eduardo Mendes (author), AE Rowan (author), V.A.A. le Sage (author), Vincent A.A. le Sage (author), M Jaspers (author), AM van Buul (author), ZH Eksteen-Akeroyd (author), T Woltinge (author), E Schwartz (author), HJ Kitto (author), R Hoogenboom (author)