@book{23330,
	author = {Saito, Theodore, ed.},
	title = {Advances in Precision Machining of Optics},
	publisher = {SPIE},
	year = {1976},
	series = {Proceedings of SPIE; V. 0093},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0093}
}