@article{JGAA_2010_14_1_a4,
     author = {Evmorfia Argyriou and Michael Bekos and Michael Kaufmann and Antonios Symvonis},
     title = {On {Metro-Line} {Crossing} {Minimization}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {75--96},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2010},
     doi = {10.7155/jgaa.00199},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00199/}
}