1. Construction led - chapter 4, the role of standardised connections;Girardier;New Steel Construction,1993
2. Design Guide for Circular Hollow Section (chs) Joints Under Predominantly Static Loading;Wardenier,1991
3. Economical Structural Steelwork;AISC,1990
4. Economic design and shorter lead times;SCI;Steel Construction Today,1992
5. Steeling the mind;Nethercot;Steel Construction Today,1991