@book{95712,
	author = {Sears, Francis Weston},
	title = {Optics.},
	publisher = {Addison-Wesley},
	year = {1949.},
	series = {Principles of physics series},
	address = {Cambridge, Mass.},
	edition = {[3d ed., 3d print.]},
	note = {First-third editions published, 1946-1948, as v. 3 of the author's Principles of physics.}
}