spaceweb@oulu.fi - last update: 4 September 1998, 0830 UT (RR) . ... This World Wide Web service is a work in progress by the Space Physics Group of Oulu , which also owns the copyright. The material is published for free Internet access, which includes printing and downloading of the text for your own personal use. However, for redistribution of the material, the users are requested to contact the authors of the group (note that this address is preferred over the individual addresses below). ...