1. Y.R. Shen, The Principles of Nonlinear Optics, Wiley, New York, 1984.
2. S.H. Lin, Y. Fujimura, H.J. Neusser, E.W. Schlag, Multiphoton Spectroscopy of Molecules, Academic Press, Orlando, 1984.
3. R.L. Sutherland, Handbook of Nonlinear Optics, Dekker, New York, 1996.
4. Femtosecond studies of hydrated electron recombination following multiphoton ionization at 390 nm
5. On the Photoionization Mechanism of Liquid Water