1. Aschwanden, M.J.: 2004, Physics of the Solar Corona. An Introduction, Praxis Publishing Co., Chichester, and Springer, Berlin, Section 5.3.
2. Aschwanden, M.J.: 2012, Solar Phys. doi: 10.1007/s11207-012-0069-7 (Paper I).
3. Aschwanden, M.J., Malanushenko, A.: 2012, Solar Phys. doi: 10.1007/s11207-012-0070-1 (Paper II).
4. Aschwanden, M.J., Sandman, A.W.: 2010, Astron. J. 140, 723.
5. Aschwanden, M.J., Wülser, J.P., Nitta, N.V., Lemen, J.R.: 2008a, Astrophys. J. 679, 827.