Excavation of large cross section tunnels in accordance with the basic principles of the ‘New Austrian tunnelling method’ (NATM) with particular regard for the use of boom-type tunnelling machines (in german and English) : Will, M World tunnlgspecial edition, P51-55. (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)91343-0