| Institution: | University of Manchester, Jodrell Bank Observatory, Macclesfield, Cheshire SK11 9DL;National Radio Astronomy Observatory, PO Box 2, Green Bank, WV 24944, USA;Columbia Astrophysics Laboratory, Columbia University, 550 West 120th Street, New York, NY 10027, USA;Australia Telescope National Facility, CSIRO, PO Box 76, Epping NSW 1710, Australia;Osservatorio Astronomico di Bologna, via Ranzani 1, 40127 Bologna, Italy;Massachusetts Institute of Technology, Center for Space Research, 70 Vassar Street, Cambridge, MA 02139, USA;Physics Department, McGill University, 3600 University Street, Montreal, Quebec H3A 2T8, Canada;Cagliari Astronomical Observatory, Loc. Poggio dei Pini, Strada 54, 09012 Capoterra (Ca), Italy;Department of Physics, Haverford College, Haverford, PA 19041, USA |
