@book{23699,
	author = {Smith, Warren, ed.},
	title = {Applications of Geometrical Optics II},
	publisher = {SPIE},
	year = {1974},
	series = {Proceedings of SPIE; V. 0039},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0039}
}