@book{29325,
	author = {Guenther, Karl, ed.},
	title = {Ophthalmic Optics},
	publisher = {SPIE},
	year = {1986},
	series = {Proceedings of SPIE; V. 0601},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0601}
}