Curdt, W. Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Giunta, A. S., Fludra, A., Lanzafame, A. C., O'Mullane, M. G., Summers, H. P., & Curdt, W. (2015). On extreme-ultraviolet helium line intensity enhancement factors on the Sun. Astrophysical Journal, 803: 66. doi:10.1088/0004-637X/803/2/66.