1. Ph.D. Student, Dept. of Civil and Architectural and Engineering Mechanics, Univ. of Arizona, Tucson, AZ.
2. Assistant Professor, Dept. of Civil and Architectural and Engineering Mechanics, Univ. of Arizona, Tucson, AZ.
3. Research Scientist, Dept. of Chemical and Biological Engineering, South Dakota School of Mines, Rapid City, SD.
4. Graduate Student, Dept. of Chemical and Biological Engineering, South Dakota School of Mines, Rapid City, SD.
5. Professor, Dept. of Chemical and Biological Engineering, South Dakota School of Mines, Rapid City, SD.