1. Restauratorenblätter, Sonderband — Lacona I, Lasers in the Conservation of Artworks, Eds. E. König, W. Kautek (Verlag Mayer & Comp., Vienna, 1997).
2. Laser Cleaning in Conservation: an Introduction, Ed. M. Cooper (Butterworth Heinemann, Oxford, 1998).
3. J.F. Asmus, IEEE Circuits and Devices Magazine, 6 (March 1986).
4. P.V. Maravelaki, V. Zafiropulos, V. Kylikoglou, M. Kalaitzaki and C. Fotakis, Spectrochimica Acta B 52, 41 (1997).
5. V. Zafiropulos and C. Fotakis, Chapter 6 in Ref. 2.