Údar
- British Standards Institution 4 toradh
- British Standards Institution. Fire Standards Committee FSM/- 1 toradh
- British Standards Institution. Subcommittee B/525/4, Composite structures 1 toradh
- British Standards Institution. Technical Committee B/525, Building and civil engineering structures 1 toradh
- British Standards Institution. Technical Committee FSM/1 1 toradh
- International Organization for Standardization 1 toradh
- Technical Committee B/525/2, Structural use of concrete 1 toradh
- Technical Committee CB/203, Design & execution of steel structures 1 toradh