1. Ondrasik, V. J., Hildebrand, C. E., and Ranoford, G. A. "Preliminary Evaluation of Radio Data Orbit Detenninstion Ceuabilitiea Par the Saturn Portion of a JSP"T/ Misnion, Reports, JPii Technical Report 32-152-1. 15, 1972.
2. The Deep Space Retrmrk Progress X, pp. 59-75, August