@inproceedings{TimpfFrank2019,
  author    = {Sabine Timpf and Andrew U. Frank},
  title     = {A multi-scale data structure for cartographic objects},
  booktitle = {17th International Cartographic Conference - ICC'95, Barcelona, Spain, 3-9 September 1995},
  pages     = {1389 -- 1396},
  url       = {https://icaci.org/files/documents/ICC_proceedings/ICC1995/PDF/Cap264.pdf},
  year      = {2019},
}