1. Sudden Valley Sewer: a case history;Dyer,1996
2. On the surface settlements caused by various methods of shield tunnelling;Fujita;Proc. 11th Int. Conf. on SMFE, Stockholm,1981
3. Movements around a tunnel in two-layer ground;Grant,1998
4. Centrifuge modelling of ground movements due to tunnelling in layered ground;Grant,1996
5. The measurement and interpretation of small strain stiffness of soils;Jovicic,1997