United States. Office of the Federal Register. Federal Register, Volume 75, Number 219, November 15, 2010, Pages 69571-69850, periodical, November 15, 2010; (https://digital.library.unt.edu/ark:/67531/metadc52800/m1/22/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .