@book{33057,
	author = {Woolard, Dwight, ed.},
	title = {Terahertz for Military and Security Applications IV},
	publisher = {SPIE},
	year = {2006},
	series = {Proceedings of SPIE; V. 6212},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6212}
}