@article{JGAA_2003_7_2_a5,
     author = {Markus Eiglsperger and Michael Kaufmann and Frank Eppinger},
     title = {An {Approach} for {Mixed} {Upward} {Planarization}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {203--220},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2003},
     doi = {10.7155/jgaa.00067},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00067/}
}