@book{25232,
	author = {Johnson, Anthony, ed.},
	title = {Eyesafe Lasers: Components, Systems, and Applications},
	publisher = {SPIE},
	year = {1991 },
	series = {Proceedings of SPIE; V. 1419},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1419}
}