Tunnels

Tunnels and tunnelling Dean, F. E. 1962 Tunnels and water: water and its influence on the design, construction, and exploitation of tunnels and underground works; proceedings of the International Congress on Tunnels and Water, Madrid, 12-15 June 1988 J Manuel Serrano; International Tunnelling Association 1988 Tunnels and water: water and its influence on the design, construction, and exploitation of tunnels and underground works; proceedings of the International Congress on Tunnels and Water, Madrid, 12-15 June 1988 J Manuel Serrano ; International Tunnelling Association 1988 Tunnels and water: water and its influence on the design, construction, and exploitation of tunnels and underground works; proceedings of the International Congress on Tunnels and Water, Madrid, 12-15 June 1988 J Manuel Serrano ; International Tunnelling Association 1988 Tunnels-planning, design, construction Megaw, T. M. 1983 Tunnels: planning, design, construction Megaw, T.M. 1983