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Tunnel maintenance in Japan[J] . Toshihiro Asakura,Yoshiyuki Kojima.Tunnelling and Underground Space Technology incorporating Trenchless Technology Research . 2003 (2)
[9]
Suitability Tests for the Lining for the 4th Elbe Tunnel Tube-Results of large-scale Tests. Jorg Schreyer,Dieter Winselmann. Tunnel . 2000