1. Missouri Univ. of Science and Technology,Ph.D. Graduate Student, Dept. of Civil, Architectural, and Environmental Engineering,Rolla,MO,65409
2. Missouri Univ. of Science and Technology,Professor, Dept. of Engineering Management and Systems Engineering,Rolla,MO,65409
3. Missouri Univ. of Science and Technology,Professor, Dept. of Civil, Architectural, and Environmental Engineering, Dept. of Engineering Management and Systems Engineering,Rolla,MO,65409