@book{33320,
	author = {Freund, Andreas, ed.},
	title = {Time Structure of X-Ray Sources and Its Applications},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3451},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3451}
}