@article{ToeroekKliemBergeretal.2014,
  author    = {T. Toeroek and Bernhard Kliem and M. A. Berger and M. G. Linton and Pascal Demoulin and L. van Driel-Gesztelyi},
  title     = {The evolution of writhe in kink-unstable flux ropes and erupting filaments},
  journal   = {Plasma physics and controlled fusion},
  volume    = {56},
  number    = {6},
  doi       = {10.1088/0741-3335/56/6/064012},
  year      = {2014},
}