@book{27232,
	author = {Danilov, Oleg, ed.},
	title = {Laser Optics '98: Gas, Liquid, and Free-Electron Lasers},
	publisher = {SPIE},
	year = {1999},
	series = {Proceedings of SPIE; V. 3686},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3686}
}