1. ”Behavior and Design of Large Openings in Reinforced Concrete Beams,“;Nasser;ACI Journal,1967
2. ”Behaviour and Design of Prestressed Concrete Beams with Large Web Openings,“;Barney;PCI Journal,1977
3. ”Tee Members with Large Web Openings,“;Ragan;Journal of the Prestressed Concrete Institute,1967
4. ”Design Method for Reinforced Concrete Beams with Large Openings,“;Mansur;ACI Journal,1985
5. ”Ultimate Behaviour of Un-Strengthened Large Openings Made in Existing Concrete Beams,“;Siao;Journal of the Institution of Engineers, Singapore,1990