[8]
Tunnel maintenance in Japan[J] . Toshihiro Asakura,Yoshiyuki Kojima.Tunnelling and Underground Space Technology incorporating Trenchless Technology Research . 2003 (2)
[8]
Tunnel maintenance in Japan[J] . Toshihiro Asakura,Yoshiyuki Kojima.Tunnelling and Underground Space Technology incorporating Trenchless Technology Research . 2003 (2)