Lyman, Theodore . The Spectroscopy of the Extreme Ultra-Violet / Textual Documents Theodore Lyman. - 1st ed. / - New York : Longmans Green & Co , 1914. - 132p. : ill ; 22cm . Subjects--Index Terms: Spectroscopy Ultra-Violet G-Physics Dewey Class. No.: 535.84 / L 989 Sp