Источник данных #5503
@article{7237EL, journal={J. Phys. Chem. Ref. Data}, volume={19}, pages={821--880}, title={Energy Levels of Sulfur, S~I through S~XVI}, author={W. C. Martin and R. Zalubas and A. Musgrove}, year={1990}, doi={10.1063/1.555862}, notes={NIST compilation}}
@article{7237EL, journal={J. Phys. Chem. Ref. Data}, volume={19}, pages={821--880}, title={Energy Levels of Sulfur, S~I through S~XVI}, author={W. C. Martin and R. Zalubas and A. Musgrove}, year={1990}, doi={10.1063/1.555862}, notes={NIST compilation}}