@article{gnn-plrmac-20,
 author = {Gemsa, Andreas and Niedermann, Benjamin and Nöllenburg, Martin},
 doi = {10.1007/s00453-020-00678-7},
 journal = {Algorithmica},
 pages = {1881--1908},
 title = {Placing Labels in Road Maps: Algorithms and Complexity},
 volume = {82},
 year = {2020}
}