Lötschberg Base Tunnel – Passing under the BLS Mountain Railway Line at Frutigen
Auteur(s): |
Ulrich Straumann
Christof Roggli Hans-Jakob Ziegler |
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Médium: | article de revue |
Langue(s): | anglais |
Publié dans: | Felsbau, 2004, n. 4, v. 22 |
Page(s): | 31 |
Mots-clé: |
percement creusement
|