@book{33915,
	author = {Betensky, Ellis, ed.},
	title = {Zoom Lenses V},
	publisher = {SPIE},
	year = {2015},
	series = {Proceedings of SPIE; V. 9580},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9580}
}