Blaauw, Adriaan, ed Galactic structure / edited by Adriaan Blaauw and Maarten Schmidt . Contributors: Halton C. Arp [and others] - Chocago: University Press, [1965] - xx, 606 p. : ill.; 24 cm - Stars and stellar systems; compendium of astronomy and astrophysics; v. 5 . Includes bibliographies Subjects--Topical Terms: Milky Way-------- Dewey Class. No.: 523.113 BLA