1. ACI 318‐83: Building code requirements for reinforced concrete . (1983). American Concrete Institute Detroit Mich.
2. CAN3‐A23.3‐M84: Design of concrete structures for buildings . (1984). Canadian Standards Association Rexdale Ontario Canada.
3. Khalifa W. U. (1985). “Investigating the response of reinforced concrete slab elements in pure torsion ” thesis presented to the University of Toronto at Toronto Ontario Canada in partial fulfillment of the requirements for the degree of Master of Applied Science.
4. Leesti P. (1985). “Reinforced concrete slab elements in pure torsion ” thesis presented to the University of Toronto at Toronto Ontario Canada in partial fulfillment of the requirements for the degree of Master of Applied Science.