@misc{indiciae355193c45d4f,
  title = {Worldwide directory of national earth-science agencies and related international organizations},
  author = {Elizabeth J. Tinsley and J.P. Hollander},
  year = {1984},
  doi = {10.3133/cir934},
  url = {https://pubs.usgs.gov/publication/cir934},
  note = {Source identifier: cir934}
}