1. Methods of strengthening existing highway bridges;Klaiber,1987
2. Using advanced composite materials in bridge strengthening: introducing Project ROBUST;Lane;The Structural Engineer,1997
3. A Robust approach,1996
4. Raithby KD. External strengthening of concrete bridges with bonded steel plates. Suppl. report 612, Transport and Road Research Laboratory.
5. Strengthening of bridge beams and similar structures by means of epoxy-resin bonded external reinforcement;Dussek;Transportation Research Record,1980