Taylor, C. J., & Alley, W. M. (2001). Ground-water-level monitoring and the importance of long-term water-level data. U.S. Geological Survey.
Citace podle Chicago (17th ed.)Taylor, Charles J., a William M. Alley. Ground-water-level Monitoring and the Importance of Long-term Water-level Data. Reston, Va: U.S. Geological Survey, 2001.
Citace podle MLA (9th ed.)Taylor, Charles J., a William M. Alley. Ground-water-level Monitoring and the Importance of Long-term Water-level Data. U.S. Geological Survey, 2001.
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