Gautier, T. N., III (Arizona Univ. Tucson, AZ, United States)
Fink, U. (Arizona Univ. Tucson, AZ, United States)
Larson, H. P. (Arizona, University Tucson, Ariz., United States)
Thompson, R. I. (Steward Observatory; Arizona, University Tucson, Ariz., United States)