1. British Standards Institution. Steel, Concrete and Composite Bridges—Part 2. Specification for loads (BS5400, Part 2), London, 1984.
2. Ontario Highway Bridge Design Code. Downsview, Ontario: Ministry of Transportation and Communications, 1983.
3. Standard Specifications for Highway Bridges. Washington: The American Association of State Highway Officials, 1992.
4. Loading model for bridge design code;Nowak;Canadian Journal of Civil Engineering,1994
5. Miao, TJ. Bridge Live Load Models with Special Reference to Hong Kong. PhD Thesis, the Hong Kong Polytechnic University, 2001.