"Metals". Bitesize. BBC. Archived from the original on 2022-11-03.
doi.org
Piechota, Eric J.; Meyer, Gerald J. (2019). "Introduction to Electron Transfer: Theoretical Foundations and Pedagogical Examples". Journal of Chemical Education. 96 (11): 2450–2466. Bibcode:2019JChEd..96.2450P. doi:10.1021/acs.jchemed.9b00489.
harvard.edu
ui.adsabs.harvard.edu
Piechota, Eric J.; Meyer, Gerald J. (2019). "Introduction to Electron Transfer: Theoretical Foundations and Pedagogical Examples". Journal of Chemical Education. 96 (11): 2450–2466. Bibcode:2019JChEd..96.2450P. doi:10.1021/acs.jchemed.9b00489.
web.archive.org
"Metals". Bitesize. BBC. Archived from the original on 2022-11-03.