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Emergency in the Valtellina valley: two boring machines make new tunnelling record possible (in German and English) : Golinelli, G World tunnlgspecial edition, P24-27. (paper to the 2nd international tunnelling symposium, Munich, 12 April 1989)

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 109 KB
Volume: 26
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(89)91342-9

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