1. Emeritus Professor, Colorado State Univ.; and Principal Investigator, Biedenharn Group, LLC, 1917 Cottonwood Point Dr., Fort Collins, CO 80524 (corresponding author).
2. Principal Investigator, Biedenharn Group, LLC, 3303 Woodlands Pl., Vicksburg, MS 39180.
3. Professor, Univ. of Nottingham, University Park, Nottingham NG7 2RD, UK.