1. Dept. of Civil and Environmental Engineering, Center for Earthquake Engineering Simulation, Rensselaer Polytechnic Institute, 110 8th St., JEC 4049, Troy, NY 12180.
2. Radar Concepts and Formulation, NASA Jet Propulsion Laboratory, 4800 Oak Grove Dr., Pasadena, CA 91109.
3. Bond Position Monitoring, 105 Flamingo Dr., Halifax, Nova Scotia, Canada B3M 1T2.
4. Dept. of Civil, Construction and Environmental Engineering, North Carolina State Univ., Box 7908, Raleigh, NC 27695-7908.