1. Appert, K., Collins, G.A., Hellsten, T., Vaclavik, J., Villard, L.: 1986, Plasma Phys. Control. Fusion 28, 133.
2. Aschwanden, M.J.: 2004, In: Walsh, R.W., Ireland, J., Danesy, D., Fleck, B. (eds.) Coronal Heating SP-575, ESA, Noordwijk, 97.
3. Aschwanden, M.J.: 2005, Physics of the Solar Corona. An Introduction with Problems and Solutions, 2nd edn., Praxis Publishing Ltd., Chichester.
4. Boerner, P., Edwards, C., Lemen, J., Rausch, A., Schrijver, C., Shine, R., et al.: 2012, Solar Phys. 275, 41. ADS: 2012SoPh..275...41B . doi: 10.1007/s11207-011-9804-8 .
5. Bogdan, T.J., Carlsson, M., Hansteen, V., McMurry, A., Rosenthal, C.S., Johnson, M., et al.: 2003, Astrophys. J. 599, 626.