K.M. Groen, Inez D. van der Werf, K.-J. van den Berg and J.J. Boon: The scientific examination of Vermeer's Girl with a Pearl EarringIn: Vermeer Studies : Symposium Papers XXXIII Center for Advanced Study in the Visual Arts /ed. I. Gaskell and M. Jonker, National Gallery of Art, 1998. - pp. 168-183
N. Wyplosz, R.M.A. Heeren and J.J. Boon: Analyses of natural organic pigments by ITMS, FTMS and TOF-MSIn: Proceedings of the 46th ASMS Conference on Mass Spectrometry and Allied Topics, May 31 - June 4, 1998, Orlando, Florida, [s.n.], 1998. - pp. 1012-1013
L.D. Noordam: Time-resolved photoelectron emission from Rydberg atomsIn: Resonance Ionization Spectroscopy : Ninth International Symposium, Manchester, United Kingdom June 1998 /ed. J.C. Vickerman, I. Lyon, N.P. Lockyer and J.E. Parks, AIP, 1998. - pp. 95-102
B. Goddard, H.J. Hopman and J.N. Tan: The influence of preparation methodology on high voltage behaviour of alumina insulators in vacuumIn: Discharges and Electrical Insulation in Vacuum : Proceedings of the XVIIIth International Symposium, 17.-21. Aug. 1998, Eindhoven, vol. 2, New York: IEEE, 1998. - pp. 735-738
L.D. Noordam, M. Drabbels and C.W. Rella: Infrared streak cameraIn: Ultrafast Phenomena XI : Proceedings of the 11th International Conference, Garmisch-Partenkirchen, Germany, July 12-17, 1998 /ed. T. Elsaesser, J.G. Fujimoto, D.A. Wiersma and W. Zinth, Cham: Springer, 1998. - pp. 97-99
K.-J. van den Berg, J. van der Horst, J.J. Boon, N. Shibayama and E.R. de la Rie: Mass spectrometry as a tool to study ageing processes of diterpenoid resins in works of art: GC- and LC-MS studiesIn: Advances in Mass Spectrometry ; vol. 14 : Proceedings of the 14th International Mass Spectrometry Conference held in Tampere 25-29 August 1997 /ed. E.J. Karjalainen, A.E. Hesso, J.E. Jalonen and U.P. Karjalainen, Elsevier B.V., 1998. - pp. 563-573
O.F. van den Brink, P.B. O'Connor, M.C. Duursma, R.M.A. Heeren, S. Peulvé and J.J. Boon: Analyis of oxygenated egg lipids in tempera paint by MALDI FT-ICR-MS(MS)In: Advances in Mass Spectrometry ; vol. 14 : Proceedings of the 14th International Mass Spectrometry Conference held in Tampere 25-29 August 1997 /ed. E.J. Karjalainen, A.E. Hesso, J.E. Jalonen and U.P. Karjalainen, Elsevier B.V., 1998. - pp. 1-7
J. de Maaijer-Gielbert, C. Gu, A. Somogyi, V.H. Wysocki, P.G. Kistemaker and T.L. Weeding: ESI/SID of polypropylenamine dendrimersIn: Advances in Mass Spectrometry ; Vol. 14 : Proceedings of the 14th International Mass Spectrometry Conference held in Tampere 25-29 August 1997 /ed. E.J. Karjalainen, A.E. Hesso, J.E. Jalonen and U.P. Karjalainen, Elsevier B.V., 1998. - pp. 1-9
H.J. Hopman and J. Verhoeven: Secondary electron emission from insulatorsIn: Production and Neutralization of Negative Ions and Beams : Eighth International Symposium / Production and Application of Light Negative Ions : Seventh European Workshop : A Joint Meeting, Villagium of Giens, France, September 1997 /ed. C. Jacquot, American Institute of Physics, 1998. - pp. 221-224
O.F. van den Brink, S. Peulvé and J.J. Boon: Dosimetry of paintings: Chemical changes in test paintings as tools to assess the environmental stress in the museum environmentIn: Site Effects : The Impact of Location on Conservation Treatments, Pre-prints of the SSCR Conference held at West Park Centre, University of Dundee, 5-6 May 1998 /ed. M.M. Wright and Y.M.T. Player-Dahnsj, The Scottish Society for Conservation & Restoration, 1998. - pp. 70-76