1. University Dozent, Institute for Mechanics of Materials and Structures, Vienna Univ. of Technology, Karlsplatz 13/202, A-1040 Vienna, Austria.
2. Geotechnical Engineer, Geoconsult (GC), Asia Sinapore PTE Ltd., 100 Beach Rd., 17-08/09 Shaw Tower, Singapore 189702; formerly, Student, Vienna Univ. of Technology, Vienna, Austria.
3. Senior Tunnel Engineer, Ove Arup and Partners, 155 Avenue of the Americas, New York, NY 10013; formerly, Student, Vienna Univ. of Technology, Vienna, Austria.