Источник данных #7417
@article{3633EL, journal={Phys. Scr.}, volume={13}, pages={293--307}, title={An Experimental Study of 3s$^2$3p$^k$ and 3s3p$^{k+1}$ in the Cl~I, S~I, P~I, Si~I, and Al~I Isoelectronic Sequences}, author={R. Smitt and L. A. Svensson and M. Outred}, year={1976}, doi={10.1088/0031-8949/13/5/006}}
@article{3633EL, journal={Phys. Scr.}, volume={13}, pages={293--307}, title={An Experimental Study of 3s$^2$3p$^k$ and 3s3p$^{k+1}$ in the Cl~I, S~I, P~I, Si~I, and Al~I Isoelectronic Sequences}, author={R. Smitt and L. A. Svensson and M. Outred}, year={1976}, doi={10.1088/0031-8949/13/5/006}}