Large-Scale Scientific Computing : 6th International Conference, LSSC 2007, Sozopol, Bulgaria, June 5-9, 2007, Revised Papers - Lirkov, Ivan (Herausgeber); Margenov, Svetozar D (Herausgeber); Wasniewski, Jerzy (Herausgeber) (Theoretical Computer Science and General Issues, 2008)