König, S. L. B.; Kowerko, D.; Sigel, R. K. O. Kinetic Subpopulations Detected by Single-Molecule Spectroscopy: Fundamental Property of Functional Nucleic Acids or Experimental Artefact?. Chimia 2013, 67 (4), 240. https://doi.org/10.2533/chimia.2013.240.