@misc{indiciae3f80f67582e7,
  title = {Force-free magnetic fields - Generating functions and footpoint displacements},
  author = {Wolfson, Richard and Verma, Ritu},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910057575},
  note = {Source identifier: 19910057575}
}