@book{33117,
	author = {Forrest, Gary, ed.},
	title = {The Laser Marketplace in 1991},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1520},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1520}
}