Preliminary Announcement: Dear Colleagues, We are planning another PSSL in Braunschweig, Germany, on April 29/30 2000. Details will become available early next year, but we hope that an early announcement will enable you to keep that particular weekend free for a trip to Braunschweig. Please note that Monday, May 1 2000, is a holiday in Germany. We are looking forward to seeing you in Braunschweig, Jiri Adamek and J"urgen Koslowski -- J"urgen Koslowski % If I don't see you no more in this world ITI % I meet you in the next world TU Braunschweig % and don't be late! koslowj@iti.cs.tu-bs.de % Jimi Hendrix (Voodoo Child)