@misc{indiciaedb073a2d7f87,
  title = {Electromagnetic finite elements based on a four-potential variational principle},
  author = {Schuler, James J. and Felippa, Carlos A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920005174},
  note = {Source identifier: 19920005174}
}