1. ABAQUS theory manual version 5.5 . (1995). Hibbit Karlsson & Sorensen Inc. Providence R. I.
2. Bjerkeli L. Tomaszewics A. and Jensen J. J. (1990). “Deformation properties and ductility of high strength concrete.” Utilization of High-Strength Concrete—2nd Int. Symp. SP-121 American Concrete Institute Detroit Mich. 215–238.
3. Boverket. (1994). “Boverkets handbok för betongkonstruktioner [manual for concrete structures from the Swedish Board of Housing Building and Planning].” BBK 94 Band 1 Konstruktion Byggavdelningen Karlskrona Sweden (in Swedish).
4. “CEB-FIP Model Code 1990.” (1993). CEB Bull. d'Information No. 213/214 . Comité Euro-International du Béton Lausanne Switzerland.