Ott, M., A. Witzel, A. Quirrenbach, T. P. Krichbaum, K. J. Standke, C. J. Schalinski and C. A. Hummel: An updated list of radio flux density calibrators. In: Astronomy & Astrophysics 284, 331-339 (1994).
http://edoc.mpg.de
The Max Planck Society does not take any responsibility for the content of this export.