Rogers, Mary T.; Armentrout, Peter B. (2016). "Chapter 4. Discriminating Properties of Alkali Metal Ions Towards the Constituents of Proteins and Nucleic Acids. Conclusions from Gas-Phase and Theoretical Studies". In Astrid, Sigel; Helmut, Sigel; Roland K.O., Sigel (eds.). The Alkali Metal Ions: Their Role in Life. Metal Ions in Life Sciences. Vol. 16. Springer. pp. 103–131. doi:10.1007/978-3-319-21756-7_4. ISBN978-3-319-21755-0. PMID26860300.
Rogers, Mary T.; Armentrout, Peter B. (2016). "Chapter 4. Discriminating Properties of Alkali Metal Ions Towards the Constituents of Proteins and Nucleic Acids. Conclusions from Gas-Phase and Theoretical Studies". In Astrid, Sigel; Helmut, Sigel; Roland K.O., Sigel (eds.). The Alkali Metal Ions: Their Role in Life. Metal Ions in Life Sciences. Vol. 16. Springer. pp. 103–131. doi:10.1007/978-3-319-21756-7_4. ISBN978-3-319-21755-0. PMID26860300.