Co

Co II:

Photoionization of Co+ and electron-impact excitation of Co2 + using the Dirac R-matrix method. / Tyndall, N. B.; Ramsbottom, C. A.; Ballance, C. P.; Hibbert, A. In: Monthly Notices of the Royal Astronomical Society, Vol. 462, No. 3, 01.11.2016, p. 3350-3360. http://dx.doi.org/10.1093/mnras/stw1843

Co III:

Photoionization of Co+ and electron-impact excitation of Co2 + using the Dirac R-matrix method. / Tyndall, N. B.; Ramsbottom, C. A.; Ballance, C. P.; Hibbert, A. In: Monthly Notices of the Royal Astronomical Society, Vol. 462, No. 3, 01.11.2016, p. 3350-3360. http://dx.doi.org/10.1093/mnras/stw1843