@misc{indiciae2d897c8bedaa,
  title = {A comparison between progressive extension method (PEM) and iterative method (IM) for magnetic field extrapolations in the solar atmosphere},
  author = {Wu, S. T. and Sun, M. T. and Sakurai, Takashi},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910039590},
  note = {Source identifier: 19910039590}
}