Preliminary rock classification for tunnel support requirements on the Delivery tunnel of the Lesotho Highlands Water Project : de Witt, M J; Klecan, W F; Sharp, J C Proc of the Symposium on Rock Mass Characterization, Randburg, South Africa, 8 Nov 1985 P67–75 Publ South Africa: ISRM, 1985

• Book ID: 100014849
• Publisher: Elsevier Science
• Year: 1986
• Tongue: English
• Weight: 102 KB
• Volume: 23
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(86)90136-1