@book{98166,
	author = {Lovibond, Joseph W.},
	title = {Light and Colour Theories, and their relation to light and colour standardization},
	publisher = {Project Gutenberg,},
	year = {2018},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-06-15},
	url = {https://www.gutenberg.org/ebooks/57335}
}