Thomas Guettler <guettli at thomas-guettler.de> writes: > I found a interesting paper, I attached it since I don't know the URL > any more. On arla's homepage <http://www.stacken.kth.se/project/arla/> you can find it <http://www.stacken.kth.se/project/arla/made2000.ps>, there you also can find the slides from our presentation. Love