@misc{indiciaeb3532007cfb5,
  title = {ON FORCE-FREE MAGNETIC FIELDS.},
  author = {S Chandrasekhar and L Woltjer},
  year = {1958},
  doi = {10.1073/pnas.44.4.285},
  url = {https://pubmed.ncbi.nlm.nih.gov/16590189/},
  note = {Source identifier: 16590189}
}