@misc{indiciae7df390668524,
  title = {A high-input impedance differential millivolt meter for use with solid ceramic oxygen electrolyte cells},
  author = {Williams, R. J. and Mullins, O. and Quin, E.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750007867},
  note = {Source identifier: 19750007867}
}