References for the VLBI and VLBA Measurements of Spacecraft at Planets VLBI measurements of the Magellan Spacecraft orbiting Venus Folkner, W.M.: 1992, "Preliminary results from VLBI measurement of Venus on September 12, 1990", JPL IOM 335.1-92-25. Folkner, W.M.: 1993, "Results from VLBI measurement of Venus on March 29, 1992", JPL IOM 335.1-93-22. Folkner, W.M.: 1994a, "Results from VLBI measurements of Venus on December 22 and December 23, 1991", JPL IOM 335.1-94-006. Folkner, W.M.: 1994b, "Results from VLBI measurement of Venus on April 1, 1994", JPL IOM 335.1-94-014. VLBI measurements of the Phobos Spacecraft's approach to Mars Hildebrand, C.E., Iijima, B.A., Kroger, P.M., and Folkner, W.M.: 1994, ``Radio-Planetary Frame Tie From Phobos-2 VLBI Data", JPL TDA Progress Report 42-119, 46-82. VLBI measurements of the Galileo Spacecraft orbiting Jupiter Folkner, W.M.: 1996-1998, private communications, to be published VLBA measurements of the Cassini spacecraft orbiting Saturn Jones, D. L., et al. : 2011, Very long baseline array astrometric observations of the Cassini spacecraft at Saturn, Astronomical Journal, 141, 29 (10 pp). Jones, D. L., et al. : Astrometry of Cassini with the VLBA to improve the Saturn Ephemeris, arXiv:1410.1067v12014,