T. H. Burnett, S. Dake, M. Fuki, J. C. Gregory^*, T. Hayashi, R. Holynski, R. W. Huggett, S. D. Hunter, J. Iwai, W. V. Jones, A. Jurak, J. J. Lord, O. Miyamura, H. Oda, T. Ogata, T. A. Parnell, T. Saito, T. Tabuki, Y. Takahashi, T. Tominaga, J. W. Watts, B. Wilczynska, R. J. Wilkes, W. Wolter, and B. Wosiek

• Institute for Cosmic Ray Research, University of Tokyo, Tokyo 188, Japan, and Department of Physics, Kobe University, Kobe 657, Japan, and Faculty of Engineering Science, Osaka University, Osaka 560, Japan, and Science and Engineering Research Laboratory, Waseda University, Tokyo 162, Japan, and Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, and Space Science Laboratory, Marshall Space Flight Center, Huntsville, Alabama 35812, and Department of Chemistry, The University of Alabama in Huntsville, Huntsville, Alabama 35899, and Department of Physics, University of Washington, Seattle, Washington 98105, and Institute of Nuclear Physics, 30 055 Cracow, Poland

• ^*Address for correspondence on this paper: J. C. Gregory, Department of Chemistry, The University of Alabama in Huntsville, Huntsville, Ala. 35899.