@article{lns-ml-16,
 author = {Löffler, Maarten and Nöllenburg, Martin and Staals, Frank},
 doi = {10.5311/JOSIS.2016.13.264},
 journal = {J. Spatial Information Science},
 pages = {3--32},
 title = {Mixed Map Labeling},
 volume = {13},
 year = {2016}
}