@misc{indiciaeb80ce3ade0de,
  title = {On the Material Ejected from Novae.},
  author = {C Payne-Gaposchkin and S Gaposchkin},
  year = {1942},
  doi = {10.1073/pnas.28.11.482},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578061/},
  note = {Source identifier: 16578061}
}