j. Knippers, M. Hwash, and F. Saad. Fourth International Conference on FRP Composites in Civil Engineering (CICE2008), Zurich, Switzerland, (22-24 July 2008)
J. Knippers, M. Hwash, and F. Saad. 13th International Conference on Structural and Geotechnical Engineering, Cairo – Egypt, Ain Shams University Faculty of Engineering, Department of Structural Engineering, (27-29 Dec. 2009)
