NATM ground support concepts and their effect on contracting practices : Proc 1989 Rapid Excavation and Tunnelling Conference, Los Angeles, 11–14 June 1989 P67–86. Publ Littleton: SME, 1989

✍ Scribed by G. Sauer; H. Gold

• Publisher: Elsevier Science
• Year: 1991
• Tongue: English
• Weight: 109 KB
• Volume: 28
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(91)91637-7