TY - JOUR AU - Michael Kaufmann AU - Dorothea Wagner TI - Guest Editor's Foreword JO - Journal of graph algorithms and applications PY - 2008 SP - 3 EP - 4 VL - 12 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00156/ DO - 10.7155/jgaa.00156 LA - en ID - JGAA_2008_12_1_a0 ER -