@misc{indiciaedd71c52f3a83,
  title = {Supernovae and Stellar Collisions.},
  author = {F L Whipple},
  year = {1939},
  doi = {10.1073/pnas.25.3.118},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577876/},
  note = {Source identifier: 16577876}
}