1. Complex geology accomodated enroute;Eisenstein;Tunnels and Tunnelling,1987
2. Tunnelling Machines in Soft Ground;Babendererde,1989
3. On three-dimensional ground response to tunnelling;Eisenstein,1984
4. Study of tunnel face in gravel site;Chaffois,1988
5. South LRT Extension, Phase II-Northbound Tunnel. Supplementary Information;PCL-Hochtief,1988