@book{33856,
	author = {Mills, Dennis, ed.},
	title = {X-Ray FEL Optics and Instrumentation},
	publisher = {SPIE},
	year = {2001},
	series = {Proceedings of SPIE; V. 4143},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4143}
}