Reference Label	Details
Johansson 1966	L. Johansson, Ark. Fys. 31, 201-235 (1966) Spectrum and Term System of the Neutral Carbon Atom
Cooksy 1986	A. L. Cooksy, G. A. Blake, and R. J. Saykally, Astrophys. J. 305, L89-L92 (1986) Direct Measurement of the Fine-Structure Interval and gJ Factors of Singly Ionized Atomic Carbon by Laser Magnetic Resonance
Glab 1998	W. L. Glab, P. T. Glynn, and F. Robicheaux, Phys. Rev. A 58, 4014-4021 (1998) High-np Rydberg States of Atomic Carbon Studied through vuv and uv Double Resonance