Edmunds, W. E. (1989). Characteristics of the mid-carboniferous boundary and associated coal-bearing rocks in the Appalachian Basin: Morgantown, West Virginia to Chattanooga, Tennessee, July 10-27, 1989. American Geophysical Union.
Chicago-Zitierstil (17. Ausg.)Edmunds, William E. Characteristics of the Mid-carboniferous Boundary and Associated Coal-bearing Rocks in the Appalachian Basin: Morgantown, West Virginia to Chattanooga, Tennessee, July 10-27, 1989. Washington, D.C: American Geophysical Union, 1989.
MLA-Zitierstil (9. Ausg.)Edmunds, William E. Characteristics of the Mid-carboniferous Boundary and Associated Coal-bearing Rocks in the Appalachian Basin: Morgantown, West Virginia to Chattanooga, Tennessee, July 10-27, 1989. American Geophysical Union, 1989.
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