GLGM-3: A Degree-ISO Lunar Gravity Model from the Historical Tracking Data of NASA Moon Orbiters
Early Prediction of Geomagnetic Storms
IPL Processing of the Viking Orbiter Images of Mars
Tesseral harmonics of the Earth's gravitational field from camera tracking of satellites.
An improved value of the lunar moment of inertia
Viking Imaging of Phobos and Deimos: An Overview of the Primary Mission
A comparison of Theory and Observation of the Echo I Satellite
The extended mission of Viking
Mapping the Thermal Behavior of the Martian Middle Atmosphere