1. On the strength of shafting when exposed both to torsion and to end thrust;Greenhill,1883
2. Torsional stability of thin-walled tubes;Schwerin,1924
3. The buckling of a cylindrical shell under torsion;Sezawa;Aero. Research Inst., Tokyo Imperial Univ., Report No. 176,1931
4. Strength tests on thin-walled duralumin cylinders in torsion;Lundquist;NACA TN No. 427,1932
5. Stability of thin-walled tubes under torsion;Donnell;NACA Report 479,1934