1. Bespalov, V.G., Kozlov, S.A., Krylov, V.N., and Putilin, S.E., Femtosekundnaya optika i femtotekhnologii (Femtosecond Optics and Femtotechnologies), St. Petersburg: St. Petersburg State University of Information Technologies, Mechanics, and Optics, 2010.
2. Denk, W., Strickler, J.H., and Webb, W.W., Science (Washington), 1990, vol. 248, p. 73.
3. Konig, K., Riemann, I., Fischer, P., and Halbhuber, K.-J., Cell Mol. Biol., 1999, vol. 45, p. 195.
4. Heisterkamp, A., Mamom, T., Drommer, W., Ertmer, W., and Lubatschowski, H., Laser Phys., 2003, vol. 13, p. 743.
5. Heistercamp, A., Opt. Photonics, 2010, vol. 5, p. 38.