Источник данных #1419
@article{15349EL, journal={J. Phys. Chem. Ref. Data}, volume={39}, pages={033101}, title={Energy Levels and Observed Spectral Lines of Ionized Argon, Ar~II through Ar~XVIII}, author={E. B. Saloman}, year={2010}, doi={10.1063/1.3337661}, notes={NIST compilation; fnl_2011;iau_2011}}
@article{15349EL, journal={J. Phys. Chem. Ref. Data}, volume={39}, pages={033101}, title={Energy Levels and Observed Spectral Lines of Ionized Argon, Ar~II through Ar~XVIII}, author={E. B. Saloman}, year={2010}, doi={10.1063/1.3337661}, notes={NIST compilation; fnl_2011;iau_2011}}