%0 Journal Article %A Kim Marriott %A Peter Stuckey %T NP-Completeness of Minimal Width Unordered Tree Layout %J Journal of Graph Algorithms and Applications %D 2004 %P 295-312 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00093/ %R 10.7155/jgaa.00093 %G en %F JGAA_2004_8_3_a2