@misc{indiciae7f378d70a39f,
  title = {UN21(3-): a structurally characterized binary actinide heptaazide anion.},
  author = {Margaret-Jane Crawford and Arkady Ellern and Peter Mayer},
  year = {2005},
  doi = {10.1002/anie.200502484},
  url = {https://pubmed.ncbi.nlm.nih.gov/16308889/},
  note = {Source identifier: 16308889}
}