@misc{indiciae32244dc663b0,
  title = {Variations in magnetic intensity and climatic changes.},
  author = {G Wollin and D B Ericson and W B Ryan},
  year = {1971},
  doi = {10.1038/232549a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/16063098/},
  note = {Source identifier: 16063098}
}