1. Reinforced concrete;Ersoy,1999
2. Design of concrete structures;Nilson,1991
3. Torsion of structural concrete – behavior of reinforced concrete rectangular members. Torsion of structural concrete, SP – 18;Hsu,1968
4. Torsional behaviour of normal and high strength concrete beams;Fang;ACI Struct J,2004
5. Torsional behavior of plain high-strength concrete beams;Atef;ACI Struct J,1990