Proceedings.
By: Edited by: S. Laustsen and A. Reiz.
Contributors: Laustsen, Svend, 1927- ed.; Reiz, Anders, ed.
Published: 1972
Place of publication: Geneva
Language: eng
Number of pages: 525
Subjects: Astronomical instruments -- Congresses.; Telescopes -- Congresses.
Notes: Includes bibliographies.
Cover title.