1. ASTM A416 (2012). Standard specification for steel strand, Uncoated Seven-Wire for Prestressed Concrete, USA.
2. Fib (2005). Acceptance of stay cable systems using prestressing steels, International Federation for Structural Concrete fib, Lausanne, Switzerland.
3. Godfrey, H. J. (1956). “The physical properties and methods of testing prestressed concrete wire strand.” PCI Journal, Vol. 1, No. 3, pp. 38–47.
4. Hill, A. T. Jr. (2006). Material properties of grade 300 and grade 270 prestressing strands and their impact on the design of bridges, MSc Thesis, Virginia Polytechnic Institute and State University, Blacksburg, VA, April 2006.
5. ISO 15630-3 (2010). Steel for the reinforcement and prestressing of concrete — Test methods — Part 3: Prestressing steel, The International Organization for Standardization, Switzerland.