Clifford, C.E.; Mynatt, F.R. & Claiborne, H.C. LMFBR SHIELDING DEVELOPMENT PROGRAM. INTERIM REPORT. PRELIMINARY EVALUATION OF TECHNIQUES FOR PREDICTING THE SPECTRA OF NEUTRONS TRANSMITTED BY GRID PLATE SHIELDS., report, January 1, 1970; (https://digital.library.unt.edu/ark:/67531/metadc871157/m1/1/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .