1. Assistant Professor, Mustafa Kemal Univ., Muhendislik ve Mimarlik Fakultesi, 31230 Iskenderun, Turkey; formerly, Graduate Research Assistant, Northwestern University, Evanston, IL 60208.
2. Walter P. Murphy Professor of Civil Engineering and Materials Science, Northwestern University, Evanston, IL 60208.
3. Červenka Consulting Co., Prague, Czech Republic; formerly Visiting Scholar, Northwestern Univ., Evanston, IL 60208.