@misc{indiciae86fbbfd5eede,
  title = {Cartan frames and the general relativistic Dirac equation.},
  author = {Brill, D. R. and Cohen, J. M.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660045273},
  note = {Source identifier: 19660045273}
}