coefficient of utilization 
| Title |
Date |
Author |
|---|---|---|
| Coefficients of Utilization | Mar 01, 1920 | Ward Harrison, Earl A. Anderson |
| Coefficients of Utilization for Luminaires with Concentrating Distributions | Dec 01, 1951 | J. R. Jones, John J. Neidhart |
| A Versatile Method of Calculating Illumination and Brightness | Feb 01, 1959 | B. F. Jones, J. R. Jones |