D.C. Papageorgopoulos, B. Riedm, B. Berenbak and A.W. Kleyn: A molecular beam study of the interaction of CO with clean and hydrogen covered Ru(0001)In: 14th Greek Conference of Solid State Physics, Ioannina 15-18 September 1998 : Proceedings, University of Ioannina, 1999. - pp. 237-240
R.M.A. Heeren, J.J. Boon, P. Noble and J. Wadum: Integrating imaging FTIR and secondary ion mass spectrometry for the analysis of embedded paint cross-sectionsIn: 12th Triennial Meeting Lyon 29 August - 3 September 1999 ; Vol. 1, ICOM-CC ICOM Committee for Conservation, James, 1999. - pp. 228-233
J.D.J. van den Berg, K.-J. van den Berg and J.J. Boon: Chemical changes in curing and ageing oil paintsIn: 12th Triennial Meeting Lyon 29 August - 3 September 1999 ; Vol. 1, ICOM-CC ICOM Committee for Conservation, James, 1999. - pp. 248-253
R.R. Jones, J.H. Townsend and J.J. Boon: A technical assessment of eight portraits by Reynolds being considered for conservation treatmentIn: 12th Triennial Meeting Lyon 29 August - 3 September 1999 ; Vol. 1, ICOM-CC ICOM Committee for Conservation, James, 1999. - pp. 375-380
H.G. Muller and L.D. Noordam, Suppression of angular-momentum mixing in photoexcitation of Rydberg states by multistate off-resonant quantum coherence, Phys. Rev. Lett. 82, 5024-5027 (1999)
L. Carlyle, N.E. Binnie, G.A. van der Doelen, J.J. Boon, B. McLean and A. Ruggles: Traditional painting varnishes project: preliminary report on natural and artificial aging and a note on the preparation of cross-sectionsIn: Firnis : Material - Ãsthetik - Geschichte, Internationales Kolloquium, Braunschweig, 15.-17. Juni 1998 = Varnish : Material - Aesthetics - History, International Colloquium, Braunschweig, 15-17 June 1998 /ed. A. Harmssen, Herzog-Anton-Ulrich-Museum, 1999. - pp. 110-127