Shea-Albin, V. R., Hanson, D. R., & Gerlick, R. E. (1991). Elastic wave velocity and attenuation as used to define phases of loading and failure in coal. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationShea-Albin, V. R., David R. Hanson, and R. E. Gerlick. Elastic Wave Velocity and Attenuation as Used to Define Phases of Loading and Failure in Coal. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1991.
MLA (9th ed.) CitationShea-Albin, V. R., et al. Elastic Wave Velocity and Attenuation as Used to Define Phases of Loading and Failure in Coal. U.S. Dept. of the Interior, Bureau of Mines, 1991.
Warning: These citations may not always be 100% accurate.