1. S. A. Akhmanov, V. A. Vysloukh, and A. S. Chirkin, The Optics of Femtosecond Pulses (Nauka, Moscow, 1988) [in Russian].
2. L. Woste, C. Wedekind, H. Wille, P. Rairoux, B. Stein, S. Nikolov, Ch. Werner, S. Niedermeier, F. Ronneberger, H. Schillinger, and R. Sauerbrey, Laser Optoelektron. 29(5), 51 (1997).
3. P. Rairoux, S. Niedermeier, M. Rodriguez, F. Ronneberger, R. Sauerbrey, H. Schillinger, B. Stein, D. Waite, C. Wedekind, H. Wille, and L. Woste, in Proc. of the 19th Intern. Laser Radar Conf. NASA, CP-1998-207671/PT1 (1998), pp. 627–630.
4. H. Wille, S. Niedermeier, P. Rairoux, M. Rodriguez, F. Ronneberger, R. Sauerbrey, H. Schillinger, B. Stein, D. Waite, C. Wedekind, and L. Woste, in Proc. of the 19th Intern. Laser Radar Conf. NASA, CP-1998-207671/PT1 (1998), pp. 823–825.
5. S. A. Shlenov and V. P. Kandidov, Opt. Atmosf. Okeana 17, 637 (2004).