1. ICI Standard B201 B,1978
2. ICI Standard B220B,1978
3. Tests to failure of GRP pipe bends under in-plane flexural loading;Kitching,1985
4. User's guide to ‘MITRE’, a stress analysis program for mitred pipe bends;Beveridge;CEGB Note RD/B/N4196,1977
5. Computation of stresses and flexibility for multi-mitred bends under in-plane bending;Bond;J. Strain Analysis,1971