@misc{indiciae04ceea6692b7,
  title = {Experiments with a high-density positronium gas.},
  author = {D B Cassidy and S H M Deng and R G Greaves and T Maruo and N Nishiyama and J B Snyder and H K M Tanaka and A P Mills},
  year = {2005},
  doi = {10.1103/physrevlett.95.195006},
  url = {https://pubmed.ncbi.nlm.nih.gov/16383992/},
  note = {Source identifier: 16383992}
}