@misc{indiciae39e396de0ec9,
  title = {Continental drift before 1900.},
  author = {N A Rupke},
  year = {1970},
  doi = {10.1038/227349a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/16057953/},
  note = {Source identifier: 16057953}
}