1. Arnaud, M. and Rothenflug, R., An Updated Evaluation of Recombination and Ionization Rates, Astron. Astrophys., 1985, vol. 60, pp. 425–457.
2. Arnaud, M. and Raymond, J.C., Iron Ionization and Recombination Rates and Ionization Equilibrium, Astrophys. J., 1992, vol. 398, pp. 394–406.
3. Batstone, R.M., Evans, K., Parkinson, J.H., and Pounds, K.A., Further X-Ray Spectra of Solar Active Regions, Sol. Phys., 1970, vol. 13, pp. 389–400.
4. Dere, K.P., Horan, D.M., and Kreplin, R.W., A Multi-Thermal Analysis of Solar X-Ray Emission, Sol. Phys., 1974, vol. 36, pp. 459–472.
5. Dere, K.P., Landi, E., Mason, H.E., et al., CHIANTI—An Atomic Database for Emission Lines, Astron. Astrophys., 1997, vol. 125, pp. 149–173.