Observation of cracks at the bottom of percussion and diamond drill holes: technical note: Howarth, D F; Bridge, E J Int J Rock Mech Min SciV25, N1, Feb 1988, P39–43

• Publisher: Elsevier Science
• Year: 1988
• Tongue: English
• Weight: 106 KB
• Volume: 25
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(88)90278-1