1. Eurocode4 (EC4): Design of Composite Steel and concrete Structures. ENV 1994-1-1, European Committee for Standardization (1994)
2. Eurocode3 (EC3): Design of steel structures—Annex N: Openings in webs. ENV 1993-1-1: 1992/A2, European Committee for Standardization (1993)
3. Eurocode3 (EC3): Design of steel structures. ENV 1993-1-1, European Committee for Standardization (1998)
4. Dougherty B.K.: Elastic deformation of beams with web openings. J. Struct. Div, ASCE 106(1), 301–12 (1980)
5. Benitez, M.A.; Darwin, D.; Donahey, R.C.: “Deflections of composite beams with web openings.” J.Structural Engineering 124(10), 1139–47 (1998)