@book{31620,
	author = {Letellier, J., ed.},
	title = {Real-Time Signal Processing XII},
	publisher = {SPIE},
	year = {1989},
	series = {Proceedings of SPIE; V. 1154},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1154}
}