@book{30720,
	author = {Grim, Gary, ed.},
	title = {Penetrating Radiation Systems and Applications XII},
	publisher = {SPIE},
	year = {2011},
	series = {Proceedings of SPIE; V. 8144},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8144}
}