| Affiliation: | University of Sydney, School of Physics, Sydney NSW 2006, Australia;Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia;Landessternwarte Heidelberg, Königstuhl, D−69117 Heidelberg, Germany;Australia Telescope National Facitity, PO Box 76, Epping NSW 1710, Australia;Department of Physics and Astronomy, University of Alaska Anchorage, 3211 Providence Dr., Anchorage AK 99508, USA;Nordic Optical Telescope,E-38700 Santa Cruz de La Palma, Spain;NRAO, PO Box O, Socorro, NM 87801, USA |
