1. C.H. Dowding, A. Rozen, Damage to rock tunnels from earthquake shaking, Geotechnical Engineering and Mechanics, ASCE, (1978) 175-191.
2. H.B. Huo, Seismic design and analysis of rectangular underground structures, Purdue University PHD Thesis, USA, (2005).
3. A. Rozen, Reaponse of rock tunnels to earthquake shaking, Massachusetts Institute of Technology Master Thesis, USA, (1976).
4. M.A. Youssef, et al., Seismic design and analysis of underground structures, Tunnelling and Underground Space Technology 16(2001) 247-293.
5. S.Z. Hong, Overview of essential characteristics of Wenchuan Eearthquake, in: S.W. Song (Eds. ), Analysis and investigation on seismic damages of projects subjected to Wenchuan Earthquake, Science press, Beijing, 2009, pp.56-71.