Klickman, A.E.; Horne, R.E. & Wilber, H.A. Oscillator Tests in the Enrico Fermi Reactor., report, January 1, 1967; (https://digital.library.unt.edu/ark:/67531/metadc1033448/m1/2/: accessed May 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .