1. Bureau of Metallurgy Industry. Design manual of tunnels and shafts in metal mine. People's Republic of China: Press of Metallurgy Industry, 1985.
2. Bureau of Metallurgy Industry. Design manual of reinforced concrete and structure. People's Republic of China: Press of Construction Industry, 1993.
3. Modern design method in high slope reinforcement;Chen;Chin J Nonferrous Metal,1995
4. General Research Institute of Metallurgy Construction. Regulation of design and construction of rock-soil bolts, People's Republic of China, 1995.
5. Itasca Co.Ltd. Manual of FLAC3D, 1996.