[News Script: Astronomers], script, June 21, 1972, 10:00 p.m.; (https://texashistory.unt.edu/ark:/67531/metadc1541150/m1/1/: accessed June 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[News Script: Astronomers], script, June 21, 1972, 10:00 p.m.; (https://texashistory.unt.edu/ark:/67531/metadc1541150/m1/1/: accessed June 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .