1. Disaster Research Coordinator, Center for Building Tech., National Bureau of Standards, Washington, D.C.; formerly Assoc. Prof. of Civ. Engrg., Carnegie-Mellon Univ., Pittsburgh, Pa.
2. Design Engr., Reliance Contracting Co., Pittsburgh, Pa.
3. Asst. Prof. of Civ. Engrg., Northeastern Univ., Boston, Mass.