^ 1.01.11.2Klaus Schwochau. Technetium: Chemistry and Radiopharmaceutical Applications. John Wiley & Sons. 2008-11: 129. ISBN 3527613374.
^ 2.02.1Jamie Weaver, Chuck Z. Soderquist, Nancy M. Washton, Andrew S. Lipton, Paul L. Gassman, Wayne W. Lukens, Albert A. Kruger, Nathalie A. Wall, John S. McCloy. Chemical Trends in Solid Alkali Pertechnetates. Inorg. Chem. 2017-02: 2533–2544. doi:10.1021/acs.inorgchem.6b02694.