http://dx.doi.org/10.1088/0022-3727/44/8/083001 (Publisher version)
Hoffmann, M. C., & Fülöp, J. A. (2011). Intense ultrashort terahertz pulses: generation and applications. Journal of Physics B: Atomic, Molecular and Optical Physics, 44(8): 083001. doi:10.1088/0022-3727/44/8/083001.