1. An investigation of open web expanded beams;Altifillisch,1957
2. An experimental investigation of open-web beams;Toprac,1959
3. Lateral-torsional buckling of castellated beams;Nethercot;The Structural Engineering,1892
4. Experiments on castellated steel beams;Husain;Journal of American Welding Society, Welding Research Supplement,1973
5. Zaarour WJ. Web buckling in thin webbed castellated beams. M. Eng. thesis. Montreal (Canada): Department of Civil Engineering and Applied Mechanics, McGill University; 1995.