@book{12930,
	author = {Freeman, Arthur J., and NATO Advanced Study Institute},
	title = {Hyperfine interactions /},
	publisher = {Academic Press,},
	year = {1967.},
	address = {New York :},
	note = {"Represents, in part, the proceedings of a NATO Advanced Study Institute held at Aix-en-Provence, France, August 8-26, 1966."}
}