1. AFTES, 2001. Recommendations on the convergence-confinement method Version 1. AFTES.
2. ERTC9, 2006. Recommendations of the ERTC9 - Bored tunnels, Ernst & Sohn, Berlin, Germany.
3. ITA, 1999. Guidelines for design of shield tunnel lining, Tunnelling and Underground Space Technology, 15, 303-331.
4. The boundary region between the urban NATM and the shield tunneling - Future direction and current procedure of structural design;Japan Society of Civil Engineers,1996
5. The boundary region between the urban NATM and the shield tunneling - The state of the art on evaluation of load;Japan Society of Civil Engineers,2003