@article{bnn-eltts-19a,
 author = {Bekos, Michael A. and Niedermann, Benjamin and Nöllenburg, Martin},
 doi = {10.1111/cgf.13729},
 ee = {1902.01454},
 journal = {Computer Graphics Forum},
 number = {3},
 pages = {833--860},
 title = {External Labeling Techniques: {A} Taxonomy and Survey},
 url = {https://arxiv.org/abs/1902.01454},
 volume = {38},
 year = {2019}
}