1. Res. Assoc., Lab. of Maintenance, Constr. and Safety of Struct. (MCS), ISS-DGC, Swiss Fed. Inst. of Technol. (EPFL), Lausanne, Switzerland; formerly, Lab. of Build. Mat. (LMC), DMX, Lausanne, Switzerland.
2. Prof. of Civ. Engrg., Univ. of Colorado, Boulder, CO 80302; Visiting Prof., LMC/EPFL, Lausanne, Switzerland.
3. Grad. Res. Asst., Inst. of Appl. Optics, Dept. of Microengrg., Swiss Fed. Inst. of Technol. (EPFL), Lausanne, Switzerland.