A
R. T. Baldwin
STX Corporation
Patrick T. Taylor
Goddard Space Flight Center
Terence J. Sabaka
Charles C. Schnetzler
Edward R. Benton
University of Colorado Boulder
Michael E. Purucker
T. J. Sabaka
William J. Hinze
Purdue University
J. A. Conrad
David R. Barraclough
British Geological Survey
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