Poster (2008) - K Mulia (author), HC Pellikaan (author), B.S. Necula (author), Iulian Apachitei (author), Julian Apachitei (author), I. Apachitei (author), Lidy Fratila-Apachitei (author), Lidy E. Fratila-Apachitei (author), L. E. Fratila-Apachitei (author), E.L. Fratila-Apachitei (author), J Duszczyk (author), J. Duszczyk (author), GJ Witkamp (author), G.J. Witkamp (author), G. J. Witkamp (author), Geert Jan Witkamp (author)

Journal article (2006) - Y Perez de Diego (author), HC Pellikaan (author), F.E. Wubbolts (author), G Borchard (author), G. J. Witkamp (author), G.J. Witkamp (author), Geert Jan Witkamp (author), GJ Witkamp (author), PJ Jansens (author), Peter J. Jansens (author), PJ Jansens (author), Peter J. Jansens (author)