Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUT, volume 16B)
KeywordsRadio Source Reference Star Faint Star Naval Observatory International Astronomical
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Astronomie de Position
Unable to display preview. Download preview PDF.
© International Astronomical Union 1977