How to contact the author
  -------------------------

  Just write to one of the following adresses :

  Mail :

    Christian Scholz
    Adalbertstr. 67a
    52062 Aachen
    Germany

  EMail :

    ruebe@pool.informatik.rwth-aachen.de or
    kochtopf@tornado.oche.de

  IRC :

    kochtopf @ #amigager

  HTTP :

    http://www-users.informatik.rwth-aachen.de/~ruebe/