Sheridan, D. (1972). Upper old red sandstone and Lower Carboniferous of the Slieve Beagh syncline: And its setting in the northwest Carboniferous basin, Ireland. Geological Survey of Ireland.
Citace podle Chicago (17th ed.)Sheridan, D. Upper Old Red Sandstone and Lower Carboniferous of the Slieve Beagh Syncline: And Its Setting in the Northwest Carboniferous Basin, Ireland. [Dublin]: Geological Survey of Ireland, 1972.
Citace podle MLA (8th ed.)Sheridan, D. Upper Old Red Sandstone and Lower Carboniferous of the Slieve Beagh Syncline: And Its Setting in the Northwest Carboniferous Basin, Ireland. Geological Survey of Ireland, 1972.
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