| 
            Gall, V., Zeidler, K.           | 
                  
            London Bridge Station, Jubilee Line Extension            | 
                  
             Las Vegas, NV, USA           | 
                  
            June 24, 1997           | 
                  
                       | 
              
          
                  | 
            Zeidler, K.           | 
                  
            Surface settlement due to the construction of the London Bridge station tunnels by NATM            | 
                  
            Wien, Austria           | 
                  
            April 1, 1997           | 
                  
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                  | 
            Zeidler, K.           | 
                  
            Sprayed concrete linings            | 
                  
            Crowthorne, United Kingdom           | 
                  
            December 2, 1996           | 
                  
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            Mellors, T.           | 
                  
            Hard ground rock tunnelling            | 
                  
            Crowthorne, United Kingdom           | 
                  
            December 2, 1996           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Gall, V., Zeidler, K.           | 
                  
            NATM tunnelling seminar            | 
                  
            Santiago, Chile           | 
                  
            November 19, 1996           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Zeidler, K.           | 
                  
            Tunnel construction 2000            | 
                  
            Ulm, Germany           | 
                  
            October 1, 1996           | 
                  
                       | 
              
          
                  | 
            Zeidler, K.           | 
                  
            Sprayed concrete            | 
                  
            London, United Kingdom           | 
                  
            September 11, 1996           | 
                  
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                  | 
            Sauer, Dr. G., Ugarte, E. and Gall, V.           | 
                  
            Instrumentation and its Implications DART Section NC-1B City Place Station Dallas TX            | 
                  
            Washington, DC, USA           | 
                  
            April 21, 1996           | 
                  
                       | 
              
          
                  | 
            Sauer, G.           | 
                  
            Tunnel design and construction            | 
                  
            Stanford, CA, USA           | 
                  
            March 10, 1996           | 
                  
                       | 
              
          
                  | 
            Sauer, G.           | 
                  
            Geotechnology in dispute resolution            | 
                  
            New York, NY, USA           | 
                  
            January 31, 1996           | 
                  
                       | 
              
          
                  | 
            Sauer, G.           | 
                  
            NATM Teach-In            | 
                  
            London, United Kingdom           | 
                  
            March 16, 1995           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Zeidler, K., Marence, M.           | 
                  
            New Austrian Tunnelling Method applied in London Clay            | 
                  
            Novigrad, Croatia           | 
                  
            October 6, 1994           | 
                  
                       | 
              
          
                  | 
            Sauer G., Gall V., Dietmaier P.            | 
                  
            Design of tunnel concrete linings using capacity limit curves           | 
                  
            Novigrad, Croatia           | 
                  
            October 5, 1994           | 
                  
                       | 
              
          
                  | 
            Sauer, G.           | 
                  
            Tunnelling in builtover areas under shallow overburden            | 
                  
             Leipzig, Germany           | 
                  
            March 18, 1994           | 
                  
                       | 
              
          
                  | 
            Fawcett, D., Smith, C. against Sauer, G. Muir Wood, A.           | 
                  
            Debate: New Austrian Tunnelling Method is not appropiate for use in London Clay            | 
                  
            London, United Kingdom           | 
                  
            February 17, 1994           | 
                  
                       | 
              
          
                  | 
            Craig, R.           | 
                  
            Planning and Engineering of Heathrow Express           | 
                  
            London, United Kingdom           | 
                  
            November 18, 1993           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Crawford, H., McGuirk, A., Watson, A.            | 
                  
            Brno fast track system - application of NATM            | 
                  
            Brno, Czech Republic           | 
                  
            October 19, 1993           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Gall, V.           | 
                  
            Application of the NATM in soft ground and mixed face conditions for the Toronto Island Airport Tunnel            | 
                  
            Toronto, Canada           | 
                  
            October 7, 1993           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Gall, V., McGuirk, A.           | 
                  
            Opportunities on NATM station designs in the Rapid Transit Expansion Program (RTE)            | 
                  
            Toronto, Canada           | 
                  
            July 15, 1993           | 
                  
                       | 
              
          
                  | 
            Sauer, G., Zeidler, K. and Gall, V.           | 
                  
            The Doorframe Slab Method, Barrel Vault Method and Conventional NATM            | 
                  
            Boston, MA, USA           | 
                  
            June 14, 1993           | 
                  
                       |