@misc{indiciae26a718156697,
  title = {Visualization for constructing and sharing geo-scientific concepts.},
  author = {Alan M MacEachren and Mark Gahegan and William Pike},
  year = {2004},
  doi = {10.1073/pnas.0307755101},
  url = {https://pubmed.ncbi.nlm.nih.gov/15034180/},
  note = {Source identifier: 15034180}
}