Prof. C. K. Shum, Laboratory for Space Geodesy and Remote Sensing, The Ohio State University, Columbus, OH 43210.
Prof. Ming-Jun Lai, Department of Mathematics, University of Georgia, Athens, GA 30602.
Dr. Michael Schmidt, Deutsches Geodaetisches Forschungsinstitut, Munich, Germany
Dr. S. C. Han, Laboratory for Space Geodesy and Remote Sensing, The Ohio State University, Columbus, OH 43210.
Prof. Paul Wenston, Department of Mathematics, University of Georgia, Athens, GA 30602.