Draley, J. E. & Ruther, W. E. Experiments in Corrosion Mechanism: Aluminum at High Temperatures, report, April 1, 1957; (https://digital.library.unt.edu/ark:/67531/metadc1016824/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .