@misc{indiciaeb3a54c4ee318,
  title = {Magnetic susceptibility and exchange coupling in the mineral ardennite},
  author = {A. N. Thorpe and F. E. Senftle and G. Donnay},
  year = {1969},
  doi = {10.1016/0022-3697(69)90149-8},
  url = {https://pubs.usgs.gov/publication/70009828},
  note = {Source identifier: 70009828}
}