The galactic and extragalactic background radiation : proceedings of the 139th Symposium of the International Astronomical Union, held in Heidelberg, F.R.G., June 12-16, 1989 - International Astronomical Union. Symposium 1989 : Heidelberg, Germany); Bowyer, Stuart C.; Leinert, Christoph (Netherlands : Kluwer Academic Publishers, 1990)
Includes bibliographical references and indexes.
Keywords: Cosmic background radiation -- Congresses; Ultraviolet astronomy -- Congresses; Infrared astronomy -- Congresses; Galaxies -- Congresses