@book{11098,
	author = {Conference on Optical Properties of Ions in Crystals and Dieke, Gerhard Heinrich, and United States.},
	title = {Optical properties of ions in crystals /},
	publisher = {Interscience Publishers,},
	year = {1967},
	address = {New York ;},
	note = {"Held at the Johns Hopkins University, Baltimore, Maryland, September 12-14, 1966 under the sponsorship of the Office of Naval Research."}
}