@article{JGAA_2009_13_2_a2,
     author = {Ulrik Brandes and Daniel Fleischer},
     title = {Vertex {Bisection} is {Hard,} too},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {119--131},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2009},
     doi = {10.7155/jgaa.00179},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00179/}
}