1. Circolare 2 Febbraio 2009 n. 617 [2009] “Instructions for the application of the new technical code for structures,” (in Italian), G. U. n. 47, Supplemento Ordinario n. 27, Rome, 434 pp.
2. CNR-DT 200. 18 June 2007.Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Existing Structures, 18 June, 60Rome: Italian National Research Council. 2004
3. EN 1992-1-1. 2004.EUROCODE 2: Design of Concrete Structures - Part 1-1: General Rules and Rules for Buildings, 225Brussels: CEN.