@inproceedings{TimpfFrank2019,
  author    = {Sabine Timpf and Andrew U. Frank},
  title     = {A multi-scale DAG for cartographic objects},
  booktitle = {1995 ACSM/ASPRS Annual Convention \& Exposition: Technical Papers; Volume 4 - Auto-Carto 12, Charlotte, NC, USA, February 27 - March 2, 1995},
  editor    = {Donna J. Peuquet},
  pages     = {157 -- 163},
  year      = {2019},
}