@book{25343,
	author = {, ed.},
	title = {Fiber Optics II: Applications and Technology},
	publisher = {SPIE},
	year = {1970},
	series = {Proceedings of SPIE; V. 0021},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0021}
}