1. Aksnes, K. and Franklin, F.: 1976, ?Mutual phenomena of the Galilean satellites in 1973?, Astron. J. 81, 464.
2. Aksnes, K., Franklin, F., Millis, R., Birch, B., Blanco, C., Catalano, S., and Piironen, J.: 1984, ?Mutual phenomena of the Galilean and Saturnian satellites in 1973 and 1979/1980?, Astron. J. 89, 28; Astron. J. 89, 1081.
3. Aksnes, K., Franklin F., and Magnusson, P.: 1986, ?The longitude discrepancy for mutual satellite phenomena resolved?, Astron. J. 92, 1436.
4. Aksnes, K.: 1993, personal communication.
5. Byrnes, D.V.: 1996, ?Modifying the Galileo tour?, JPL Navigation Team presentation Feb 1996, JPL internal document.