@misc{indiciae02b019049914,
  title = {Changes in earth's dipole.},
  author = {Peter Olson and Hagay Amit},
  year = {2006},
  doi = {10.1007/s00114-006-0138-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/16915369/},
  note = {Source identifier: 16915369}
}