@misc{indiciaeabb781302baa,
  title = {Higher-order quantum entanglement},
  author = {Zeilinger, Anton and Horne, Michael A. and Greenberger, Daniel M.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920012809},
  note = {Source identifier: 19920012809}
}