@book{23787,
	author = {Kohnle, Anton, ed.},
	title = {Atmospheric Propagation and Remote Sensing II},
	publisher = {SPIE},
	year = {1993},
	series = {Proceedings of SPIE; V. 1968},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1968}
}