New design of high quality cast iron tubbings for tunnels and shafts : Proc 1987 Rapid Excavation and Tunnelling Conference, New Orleans, 14–17 June 1987 V2, P980–998. Publ Littleton: Society of Mining Engineers, 1987

✍ Scribed by J. Klein; F. Reimann

• Publisher: Elsevier Science
• Year: 1990
• Tongue: English
• Weight: 113 KB
• Volume: 27
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(90)95346-3