@misc{indiciae4845ab602941,
  title = {Proton conducting membrane using a solid acid},
  author = {Haile, Sossina M. and Chisholm, Calum and Boysen, Dane A. and Narayanan, Sekharipuram R.},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20080008639},
  note = {Source identifier: 20080008639}
}