@book{33487,
	author = {Eilertsen, Hans-Christian, ed.},
	title = {Underwater Light Measurements},
	publisher = {SPIE},
	year = {1993},
	series = {Proceedings of SPIE; V. 2048},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2048}
}