1. The M. W. Kellogg Co Design of Piping Systems 2nd ed. rev. chapters 3 and 4 John Wiley New York 1965.
2. Elastic-plastic behaviour of pipe bends with in-plane bending;MARCAL;J. Strain Analysis,1967
3. Experiments on short-radius pipe bends;GROSS;Proc. Inst. Mech. E.,1952
4. The flexibility of short-radius pipe bends;GROSS;Proc. Inst. Mech. E.,1952
5. Mitre bends subjected to in-plane bending moments;KITCHING;Int. J. Mech. Sci.,1965