1. K.B. Eisenthal, (Ed.), Applications of Picosecond Spectroscopy to Chemistry, NATO ASI Series C, Vol. 127, D. Reidel Publishing Co., 1984.
2. D.J. Bradley, G.B. Porter and M. Key (Eds.), Ultrashort Laser Pulses, The Royal Society, London, 1980.
3. E.P. Ippen (Ed.), Picosecond Phenomena, Special Issue of IEEE JQE-19 (1983).
4. S.L. Shapiro (Ed.), Ultrashort Light Pulses, Springer-Verlag, N. Y., 1977.
5. G. Fleming, Advan. Chem. Phys., 49 (1982) 1 and references therein to synchronous mode-locking lasers.