Bell, James F., III (NASA Ames Research Center Moffett Field, CA, United States)
Calvin, Wendy M. (Geological Survey Flagstaff, AZ., United States)
Pollack, James B. (NASA Ames Research Center Moffett Field, CA, United States)
Crisp, David (Jet Propulsion Lab. California Inst. of Tech., Pasadena., United States)