Kaushal, S. S.; Likens, G. E.; Utz, R. M.; Pace, M. L.; Grese, M.; Yepsen, M. (2013). "Increased river alkalinization in the Eastern U.S.". Environmental Science & Technology. 47 (18): 10302–10311. doi:10.1021/es401046s. PMID23883395.
2320 alkalinity, Standard Methods for the Examination of Water and Wastewater, American Public Health Association, 2017-08-27, doi:10.2105/smww.2882.023 (inactive 31 January 2024), ISBN9780875532998, retrieved 2022-12-01{{citation}}: CS1 maint: DOI inactive as of January 2024 (link)
Kaushal, S. S.; Likens, G. E.; Utz, R. M.; Pace, M. L.; Grese, M.; Yepsen, M. (2013). "Increased river alkalinization in the Eastern U.S.". Environmental Science & Technology. 47 (18): 10302–10311. doi:10.1021/es401046s. PMID23883395.
2320 alkalinity, Standard Methods for the Examination of Water and Wastewater, American Public Health Association, 2017-08-27, doi:10.2105/smww.2882.023 (inactive 31 January 2024), ISBN9780875532998, retrieved 2022-12-01{{citation}}: CS1 maint: DOI inactive as of January 2024 (link)