1. The effects of flanges on smooth pipe bends in piping systems;Findlay,1973
2. Bending of curved thin tubes;Beskin;Trans ASME,1945
3. Properties of thin-walled curved tubes of short radius;Pardue;Trans. ASME,1951
4. In-plane bending properties of welding elbows;Vissat;Trans. ASME,1955
5. In-plane bending of a large 90° smooth bend;Findlay;J. of Strain Analysis,1966