1. Geometric and photometric parameters of the terrestrial planets;De Vaucouleurs;Icarus,1964
2. Mars radar observations, a preliminary report;Downs;Science,1971
3. The Atmosphere of Mars from Mariner 9 Radio Occultation Measurements;Kliore;Icarus,1972
4. Determination of some physical properties of the atmosphere of Mars from changes in the Doppler signal of a spacecraft on an Earth-occultation trajectory;Kliore;Jet Propulsion Lab, California Institute of Technology Technical Report,1964
5. Gravity field of Mars from Mariner 9 Tracking Data;Lorell;Icarus,1972