1. British Standard BS EN 1990 (2002). Euro code. Basis of structural design,. BSI, London.
2. Pfeifer, D.W.; Landgren, J. L.; and ZOOB, A., Protective systems for New Prestressed and substructure concrete",, Report No. FHWA/Rd-86/193, Federal High Way Administration, Washington, D. C., 1987, 121pp.
3. Siemes, A.J.M. and Rostam, S. (1996).
4. Rasheeduzzafar, Al-Gahtani A.S; Al-Saadoun SS. Influence of construction practices on concrete durability. ACI Mater J 1989;86(6):566–75.
5. Schmidt rebound hammer from M/s. proceq, Switzerland as per the guidelines IS: 1311-(Part11)-1992-(Reaffirmed in 2004).