1. Assoc. Prof. of Civ. Engrg., Pennsylvania State Univ., University Park, Pa.
2. Instr. in Architectural Engrg., Pennsylvania State Univ., University Park, Pa.
3. Engr., Hooker Chemical and Plastics Corp., Grand Island, N.Y.; formerly, Grad. Asst. in Civ. Engrg., Pennsylvania State Univ., University Park, Pa.