Graph-Theoretic Concepts in Computer Science : 38th International Workshop, WG 2012, Jerusalem, Israel, June 26-28, 2012, Revised Selcted Papers - Golumbic, Martin Charles (Herausgeber); Stern, Michael (Herausgeber); Levy, Avivit (Herausgeber); Morgenstern, Gila (Herausgeber) (Theoretical Computer Science and General Issues, 2012)