Comparison of uniform four-foot length, fully-grouted resin roof bolts and alternating four- and six-foot length, fully-grouted resin roof bolts : Maher, J USBM OFR 23–77, 31 Dec 1975, 316P (PB 263590/AS)

• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 121 KB
• Volume: 14
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(77)90913-5