@misc{indiciae7c8d9f903fad,
  title = {Introduction to Theme 4: The virtual potential.},
  author = {Anders Nattestad and Rolf Attstrom},
  year = {2002},
  doi = {10.1034/j.1600-0579.6.s3.16.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12390268/},
  note = {Source identifier: 12390268}
}