Smith, W. Hayden (Washington Univ. Saint Louis, MO, United States)
Haskin, L. (Washington Univ. Saint Louis, MO, United States)
Korotev, R. (Washington Univ. Saint Louis, MO, United States)
Arvidson, R. (Washington Univ. Saint Louis, MO, United States)
Mckinnon, W. (Washington Univ. Saint Louis, MO, United States)
Hapke, B. (Pittsburgh Univ. PA., United States)
Larson, S. (Arizona Univ. Tucson., United States)
Lucey, P. (Hawaii Univ. Honolulu., United States)