Extensive mechanization produces record performance in drill-blast tunnelling : Hamrin, H Proc 1987 Rapid Excavation and Tunnelling Conference, New Orleans, 14–17 June 1987V1, P627–634. Publ Littleton: Society of Mining Engineers, 1987

• Publisher: Elsevier Science
• Year: 1990
• Tongue: English
• Weight: 113 KB
• Volume: 27
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(90)90495-n