Robert H. Becker
Department of Physics, University of California, Davis, CA 95616; and Institute of Geophysics and Planetary Physics, Lawrence Livermore National Laboratory, Livermore, CA 94450
Richard L. White
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218
David J. Helfand
Department of Astronomy and Columbia Astrophysics Laboratory, 538 West 120th Street, New York, NY 10027
Published in
The Astrophysical Journal, 450, 559 (1995)
© 1995 The American Astronomical Society