Weinberger, Robert A.; Sperry, William C. & Dobrowski, Charles V. Compressive Strength of Corrugated-Sheet-Stiffened Panels for Consolidated XB-36 Airplane, report, January 1944; (https://digital.library.unt.edu/ark:/67531/metadc62614/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .