1. Boyd, R.W.: Nonlinear Optics. Academic Press, London (2008)
2. Schaefer, C., Niedrig, H., Bergmann, L., Eichler, H.-J.: Lehrbuch der Experimentalphysik. Walter de Gruyter, Berlin (2004) (Optik)
3. McPherson, A., Gibson, G., Jara, H., Johann, U., Luk, T.S., Mcintyre, I.A., Boyer, K., Rhodes, C.K.: Studies of multiphoton production of vacuum ultraviolet-radiation in the rare-gases. J. Opt. Soc. Am. B 4(4), 595–601 (1987)
4. Li, X.F., L’Huillier, A., Ferray, M., Lompre, L.A., Mainfray, G.: Multiple-harmonic generation in rare gases at high laser intensity. Phys. Rev. A 39(11), 5751–5761 (1989)
5. Seres, J., Seres, E., Verhoef, A.J., Tempea, G., Streli, C., Wobrauschek, P., Yakovlev, V., Scrinzi, A., Spielmann, C., Krausz, F.: Laser technology: source of coherent kiloelectronvolt X-rays. Nature 433(7026), 596–596 (2005)