Landolt-Börnstein: Numerical Data and Functional Relationships in Science and Technology - New Series " Gruppe/Group 6 Astronomy and Astrophysics " Volume 2 Schaifers/Voigt: Astronomy and Astrophysics / Astronomie und Astrophysik " Interstellar Matter, Galaxy, Universe / Interstellare Materie, die Galaxis, UniversumPeter L. Biermann, Gert Zech, M. Grewing et al.|Unknown|1982Cited by 0
Landolt-Börnstein. Numerical data and functional relationships in science and technology. New Series. Group_VI: Astronomy, astrophysics and space research. Volume_2: Astronomy and astrophysics. Extension and supplement to Volume_1. Subvolume_c: Interstellar matter - Galaxy - Universe.K. H. Hellwege, Gert Zech, Karl Schaifers et al.|Unknown|1982Cited by 0