| Affiliation: |
| AA(Princeton University Observatory, Princeton, NJ 08544.), AB(University of Michigan, Department of Physics, 500 East University, Ann Arbor, MI 48109.), AC(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510.), AD(Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218.), AE(Princeton University Observatory, Princeton, NJ 08544.), AF(University of Michigan, Department of Physics, 500 East University, Ann Arbor, MI 48109.), AG(Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15232.), AH(Princeton University Observatory, Princeton, NJ 08544.), AI(Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15232.), AJ(Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15232.), AK(Space Telescope Science Institute, Baltimore, MD 21218.), AL(Department of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802.), AM(Princeton University Observatory, Princeton, NJ 08544.), AN(Max-Planck-Institut für Extraterrestrische Physik, D-85740 Garching, Germany.), AO(Apache Point Observatory, 2001 Apache Point Road, P.O. Box 59, Sunspot, NM 88349-0059.), AP(Institute for Cosmic Ray Research, University of Tokyo, Midori, Tanashi, Tokyo 188-8502, Japan.) |