Gabriele Honecker     Address: Physikalisches Institut der Universität Bonn   Nussallee 12   D-53115 Bonn   Federal Republic of Germany Office: Room 106 (AVZ) Phone: +49-228-73-3729 Fax: +49-228-73-3223 E-Mail: gabriele@th.physik.uni-bonn.de   Publications (from SPIRES-SLAC)