@misc{indiciae866e4fd8808e,
  title = {Variational constraints for electrical-impedance tomography.},
  author = {JG Berryman and RV Kohn},
  year = {1990},
  doi = {10.1103/physrevlett.65.325},
  url = {https://pubmed.ncbi.nlm.nih.gov/10042890/},
  note = {Source identifier: 10042890}
}