@misc{indiciae380487136b3c,
  title = {Differential cross-section for positronium formation in electron-atomic hydrogen collisions},
  author = {Drachman, R. J. and Omidvar, K. and Mcguire, J. H.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760012835},
  note = {Source identifier: 19760012835}
}