@book{31521,
	author = {Trebits, Robert, ed.},
	title = {Radar Sensor Technology IV},
	publisher = {SPIE},
	year = {1999},
	series = {Proceedings of SPIE; V. 3704},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3704}
}