@misc{indiciae2989a0394ef9,
  title = {Free positronium radiations.},
  author = {H Ikegami},
  year = {1988},
  doi = {10.1103/physrevlett.60.929},
  url = {https://pubmed.ncbi.nlm.nih.gov/10037893/},
  note = {Source identifier: 10037893}
}