1. Berdinskikh T, Tkalec H (2004) Photon Spectra 66
2. Assendel’ft EY, Beklemyshev VI, Makhonin II, Petrov NY, Prokhorov AM, Pustovoy VI (1988) Sov. Tech. Phys. Lett. 14(6):444
3. Tam AC, Leung WP, Zapka W, Ziemlich W (1992) J. Appl. Phys. 71:3515
4. Lu YF, Song WD, Ang BW, Chan DSH, Low TS (1997) Appl. Phys. A 65:9
5. Zafiropulos V, Fotakis C, Lasers in the conservation of painted artworks, Chap.6 In: Laser in Conservation: an introduction, Cooper M (ed) (Butterworth Heineman, Oxford 1998)