@book{95973,
	author = {Bouma, P. J. and Groot, W. de},
	title = {Physical aspects of colour},
	publisher = {St. Martin's Press, Inc.},
	year = {1971.},
	series = {Philips technical library},
	address = {New York},
	edition = {2nd ed.},
	note = {Translation of Kleuren en Kleurindrukken.}
}