Literature 1981, Part 2: A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the Abstracting Board of the International Council of Scientific Unions Astronomy and Astrophysics Abstracts is Prepared Under the Auspices of the International Astronomical Union by D. Krahn, V. R. Matas, D. Rosa, I. Heinrich, W. Fricke, W. Hofmann, S. Boehme, L. D. Schmadel, G. Zech (Paperback, 2013)