@book{30127,
	author = {Grover, Chander, ed.},
	title = {Optical Testing and Metrology II},
	publisher = {SPIE},
	year = {1989},
	series = {Proceedings of SPIE; V. 0954},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0954}
}