@misc{indiciae6b617763edef,
  title = {Oxygen electrode bifunctional electrocatalyst NiCo2O4 spinel},
  author = {Fielder, William L. and Singer, Joseph},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890001038},
  note = {Source identifier: 19890001038}
}