United States. Federal Communications Commission. FCC Record, Volume 19, No. 31, Pages 24664 to 25423, December 22 - December 30, 2004, book, December 2004; (https://digital.library.unt.edu/ark:/67531/metadc4054/m1/1/: accessed June 1, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .