Wiegelmann, Thomas Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;
Schrijver, C. J., DeRosaand, M. L., Metcalf, T. R., Liu, Y., McTiernan, J., Regnier, S., et al. (2006). Nonlinear force-free modeling of coronal magnetic fields Part I: A quantitative comparison of methods. Solar Physics, 235, 161-190. doi:10.1007/s11207-006-0068-7.