Spearing, S., & Hyett, A. (2014). In situ monitoring of primary roofbolts at underground coal mines in the USA. South African Institute of Mining and Metallurgy.
Chicago Style (17th ed.) CitationSpearing, Sam, and A. Hyett. In Situ Monitoring of Primary Roofbolts at Underground Coal Mines in the USA. South African Institute of Mining and Metallurgy, 2014.
MLA (9th ed.) CitationSpearing, Sam, and A. Hyett. In Situ Monitoring of Primary Roofbolts at Underground Coal Mines in the USA. South African Institute of Mining and Metallurgy, 2014.
Warning: These citations may not always be 100% accurate.