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2. Aalami, B., "Unbounded and Bonded Post tensioning System in building Construction: A Design and Performance Review," PTI Technical Notes, No. 5, Post-tensioning Institute, Farmington Hills, MI, 1994, 10 pp.
3. Deformability of concrete beams with unbonded FRP tendons
4. Janney J. R., Hognestad E., and Mchenry D., "Ultimate Flexural Strength of Prestressed and Conventionally Reinforced Concrete Beams," American Concrete Institute, Y. 27, No. 6, Proceedings Y. 52, 1956, pp. 601– 620.5.
5. PCI Design Handbook, Precast and Prestressed Concrete, 7th edition, Chicago, Illinois, ISBN 0-937040-87-4, 2010.