1. Mechanical Engineer, Leo A. Daly Consulting Engineers, 8600 Indian Hills Drive, Omaha, NE 68114-4039.
2. Associate Professor, Univ. of Nebraska–Lincoln, Architectural Engineering, 1110 South 67th St. PKI–203D, Omaha, NE 68182-0681 (corresponding author).
3. Associate Professor, Univ. of Nebraska–Lincoln, Architectural Engineering, 1110 South 67th St. PKI-203D, Omaha, NE 68182-0681.