✦ LIBER ✦
Special mixed shield concept for the construction of the two-way grauholz railway tunnel (in German) : Balmer, P FelsbauV10, N1, March 1992, P32–38
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 111 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0148-9062
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