TY - JOUR AU - Hans Bodlaender AU - Thomas Wolle AU - Arie Koster TI - Contraction and Treewidth Lower Bounds JO - Journal of Graph Algorithms and Applications PY - 2006 SP - 5 EP - 49 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00117/ DO - 10.7155/jgaa.00117 LA - en ID - JGAA_2006_10_1_a1 ER -