@book{30118,
	author = {Yao, Shi-Kay, ed.},
	title = {Optical Technology for Microwave Applications IV},
	publisher = {SPIE},
	year = {1989},
	series = {Proceedings of SPIE; V. 1102},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1102}
}