| Reference Label | Details |
|---|---|
| NIST Atomic Web | A. Kramida, Yu. Ralchenko, J. Reader, and NIST ASD Team, NIST Atomic Spectra Database (ver. 5.6.1), NIST Standard Reference Database #78, National Institute of Standards and Technology, Gaithersburg, MD 2018 Web: https://physics.nist.gov/asd (ex: http://physics.nist.gov/cgi-bin/AtData/main_asd) Note: latest version (as of Mar 2020) is ver. 5.7 |
| Biemont 1999 | E. Biémont, Y. Frémat, and P. Quinet, At. Data Nucl. Data Tables 71, 117-146 (1999) Ionization Potentials of Atoms and Ions from Lithium to Tin (Z = 50) |