@book{13331,
	author = {Bak, Børge,},
	title = {Elementary introduction to molecular spectra / },
	publisher = {North-Holland Pub. Co.; [sole distributors for U.S.A.: Interscience Publishers, New York]},
	year = {c1962.},
	address = {Amsterdam : },
	edition = {2d, rev. ed.},
	note = {Includes Index. }
}