TY - JOUR AU - Giuseppe Liotta TI - Guest Editor's Foreword JO - Journal of Graph Algorithms and Applications PY - 2005 SP - 3 EP - 5 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00096/ DO - 10.7155/jgaa.00096 LA - en ID - JGAA_2005_9_1_a0 ER -