@article{Flinn1965,
  title={A proposed basis for geographical and seismic regionalization},
  author={Flinn, Edward A. and Engdahl, Eric R.},
  journal={Reviews of Geophysics},
  volume={3},
  number={1},
  issn={1944-9208},
  url={https://dx.doi.org/10.1029/RG003i001p00123},
  doi={10.1029/RG003i001p00123},
  pages={123--149},
  year={1965},
}
