2004, Article in monograph or in proceedings (Boer, F.R. de; Fisk, Z.; Jochemsen, R. (ed.), The new installation at the Nijmegen High Field Magnet Laboratory, pp. 659-662)
2007, Article / Letter to editor (International Journal of Modern Physics : B, Condensed Matter Physics, Statistical Physics, Applied Physics, vol. 21, iss. 8-9, (2007), pp. 1131-1132)
2002, Article / Letter to editor (Molecular Crystals and Liquid Crystals Science and Technology Section A-Molecular Crystals and Liquid Crystals, vol. 375, iss. 1, (2002), pp. 143-154)