@article{bhkn-amcbl-09,
 author = {Benkert, Marc and Haverkort, Herman and Kroll, Moritz and Nöllenburg, Martin},
 doi = {10.7155/jgaa.00189},
 journal = {J. Graph Algorithms Appl.},
 number = {3},
 pages = {289-317},
 title = {Algorithms for Multi-Criteria Boundary Labeling},
 volume = {13},
 year = {2009}
}