Источник данных #2008
@article{12196EL, journal={J. Phys. Chem. Ref. Data}, volume={36}, pages={215--386}, title={Energy Levels and Observed Spectral Lines of Krypton, Kr~I through Kr~XXXVI}, author={E. B. Saloman}, year={2007}, doi={10.1063/1.2227036}, notes={NIST_AS# 33C; fnl_2008; NIST compilation}}
@article{12196EL, journal={J. Phys. Chem. Ref. Data}, volume={36}, pages={215--386}, title={Energy Levels and Observed Spectral Lines of Krypton, Kr~I through Kr~XXXVI}, author={E. B. Saloman}, year={2007}, doi={10.1063/1.2227036}, notes={NIST_AS# 33C; fnl_2008; NIST compilation}}