Fresh air for frejus: vent shaft excavation in Europe's top tunnel : Harding, P G Tunn Tunnlg, V12, N4, May 1980, P31–34

• Publisher: Elsevier Science
• Year: 1980
• Tongue: English
• Weight: 100 KB
• Volume: 17
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(80)90907-9