Astronomy & Space in 1971

Relativität Und Kosmos: Raum Und Zeit in Physik, Astronomie Und Kosmologie by Treder, Hans-Jürgen

The Magellanic Clouds: A European Southern Observatory Presentation: Principal Prospects, Current Observational and Theoretical Approaches, and Prospe by

New Techniques in Space Astronomy by

External Galaxies and Quasi-Stellar Objects by

Proceedings of Open Meetings of Working Groups of the Thirteenth Plenary Meeting of Cospar: Leningrad, Ussr, 20-29 May 1970 and Leningrad, Ussr, 22, 2 by