GERARD, George a BECKER, Herbert. Handbook of structural stability. Part 5, Compressive strength of flat stiffened panels. Technical note / National Advisory Committee for Aeronautics. Washington, D.C.: National Advisory Committee for Aeronautics, [1957]. ISBN 9781680156300. Dostupné také z: https://proxy.k.utb.cz/login?url=https://app.knovel.com/hotlink/toc/id:kpHSSPVCS3/handbook-of-structural?kpromoter=marc.