1. W.T. Silfvast, L.H. Szeto, O.R. Wood II: Opt. Lett. 4(9), 271 (1979)
2. L.J. Gudzenko, L.A. Shelepin, S.I. Yakulenko: Sov. Phys. Usp. 17(6), 848 (1975)
3. O.R. Wood II, J.J. Macklin, W.T. Silfvast: Appl. Phys. Lett. 44(2), 1123 (1984)
4. O.R. Wood II, J.J. Macklin, W.T. Silfvast: IEEE J. QE-21(10), 1714 (1985)
5. M.H. Key, M. Grande, C. Hooker, S. Rose, I. Ross, M. Shaw, G. Tallents, H. Baldis, D. Brown, P. Norreys, E. Wooding, C. Lewis, M. Lamb, D. O'Neill, C. Regan, P. Fews, G. Pert, S. Ramsden, Y. Kato, M. Yamanaka: Proceedings of 19th European Conference on Laser Interaction with Matter (ECLIM-19), October 3?7, 1988, Madrid, Spain, p. 17