Austrian Standards ÖN B 2203-1 and -2 for underground works
Author(s): |
Nejad Ayaydin
Harald Lauffer o. Eckart Schneider |
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Medium: | journal article |
Language(s): | English |
Published in: | Felsbau, 2003, n. 4, v. 21 |
Page(s): | 8 |
Keywords: |
standard tunnelling
|