@book{29813,
	author = {Fearey, Bryan, ed.},
	title = {Optical Methods for Ultrasensitive Detection and Analysis: Techniques and Applications},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1435},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1435}
}