@book{33853,
	author = {Lee, Ping, ed.},
	title = {X-Ray Calibration: Techniques, Sources, and Detectors},
	publisher = {SPIE},
	year = {1986},
	series = {Proceedings of SPIE; V. 0689},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0689}
}