Harang, Leiv The aurorae. - New York Wiley 1951. - x, 166 p. illus. 25 cm. - The International astrophysics series v. 1 . Bibliography: p. 159-163. LCCN: 51014071 Subjects--Topical Terms: Auroras. LC Class. No.: QC971 / .H28 Dewey Class. No.: 523.59