@misc{indiciaed3e844fbac02,
  title = {Low-temperature heat capacity and entropy of chalcopyrite (CuFeS2): estimates of the standard molar enthalpy and Gibbs free energy of formation of chalcopyrite and bornite (Cu5FeS4)},
  author = {R. A. Robie and L.B. Wiggins and P. B. Barton and B. S. Hemingway},
  year = {1985},
  doi = {10.1016/0021-9614(85)90147-8},
  url = {https://pubs.usgs.gov/publication/70013096},
  note = {Source identifier: 70013096}
}