@misc{indiciae9d26b1e06ade,
  title = {Positronium negative ion: Molecule or atom?},
  author = {JM Rost and D Wintgen},
  year = {1992},
  doi = {10.1103/physrevlett.69.2499},
  url = {https://pubmed.ncbi.nlm.nih.gov/10046510/},
  note = {Source identifier: 10046510}
}