https://researchportalplus.anu.edu.au/en/publications/the-milliarcsecond-scale-radio-structure-of-ab-doradus-a/fingerprints/
The milliarcsecond-scale radio structure of AB Doradus A - Fingerprint - The Australian National...
https://ipnpr.jpl.nasa.gov/progress_report/42-66/66H.html
Arcsecond Positions for Milliarcsecond VLBI Nuclei of Extragalactic Radio Sources. Part I:546...
VLBI measurements at 2290 MHz on baselines of ~104 km between Deep Space Network stations have been used to identify sources that are suitable for precision...