@book{27539,
	author = {Zuegge, Hannfried, ed.},
	title = {Lens and Optical Systems Design},
	publisher = {SPIE},
	year = {1993},
	series = {Proceedings of SPIE; V. 1780},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1780}
}