1. Limit load for pipe bends under in-plane bending;Spence;In: Procedings of the second International conference on pressure vessel technology, San Antonio,1973
2. Limit analysis of curved tubes;Calladine;J Mech Eng Sci,1974
3. Goodall IW. Lower bound limit analysis of curved tubes loaded by combined internal pressure and in-plane bending moment. CEGB report RD/B/N4360, Central Electricity Generating Board, 1978.
4. Review of limit loads of structures containing defects;Miller;Int J Press Vess Pip,1988
5. Plastic collapse of pipe bends under combined internal pressure and in-plane bending;Robertson;Int J Press Vess Pip,2005