@article{JGAA_2023_27_6_a2,
     author = {Alan Arroyo and Stefan Felsner},
     title = {Approximating the {Bundled} {Crossing} {Number}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {433--457},
     publisher = {mathdoc},
     volume = {27},
     number = {6},
     year = {2023},
     doi = {10.7155/jgaa.00629},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00629/}
}