1. Prof. and Head of Struct. Engrg., School of Civ. Engrg., Purdue University, West Lafayette, Ind. 47907
2. Asst. Prof. of Civ. Engrg., Univ. of Miami, Coral Gables, Fla; formerly, Grad., Asst., School of Civ. Engrg., Purdue University, West Lafayette, Ind. 47907