1. In plane bending behaviour of pipe bends with end constraints under steady state creep;Chan;ASME J. Pres. Ves. Techn.,1984
2. In plane bending behaviour of flanged bends under steady state creep;Thomson,1984
3. The creep behaviour of a smooth curved pipe under in plane bending;Spence,1969
4. The influence of end constraints on smooth pipe bends;Thomson,1980
5. A study of pipe bends;Rae,1980