C. Spielmann, S. Sartania, Z. Cheng, M. Lenzner, G. Tempea, K. Ferencz, and F. Krausz, "Generation and Application of Subterawatt 5-fs Optical Pulses,"
in DPSS (Diode Pumped Solid State) Lasers: Applications and Issues, M. Dowley, ed.,
Vol. 17 of OSA Trends in Optics and Photonics
(Optical Society of America, 1998), paper DLA1.