http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
edited by Siegfried B?hme, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, Gert Zech.
Astronomy and Astrophysics Abstracts, A Publication of the Astronomisches Rechen-Institut Heidelberg Member of the Abstracting Board of the International Council of Scientific Unions ; 29