@book{27290,
	author = {Beiser, Leo, ed.},
	title = {Laser Recording and Information Handling Technology I},
	publisher = {SPIE},
	year = {1974},
	series = {Proceedings of SPIE; V. 0053},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0053}
}