Drake, M. K. & Honeck, Henry C. Data Formats and Procedures for the ENDF Neutron Cross Section Library, report, March 1971; (https://digital.library.unt.edu/ark:/67531/metadc67248/m1/1/: accessed May 28, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .