Becker, A. Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
Aközbek, N., Iwasaki, A., Becker, A., Scalora, M., Chin, S. L., & Bowden, C. M. (2002). Third-harmonic generation and self-channeling in air using high-power femtosecond laser pulses. Physical Review Letters, 89(14): 143901.