Roman Wyrzykowski Jack Dongarra Konrad Karczewski Jerzy Wasniewski Parallel Processing and Applied Mathematics, 7th International Conference, PPAM 2007, Gdansk, Poland, September 9-12, 2007, Revised Selected Papers 4967 2008 978-3-540-68105-2 PPAM Lecture Notes in Computer Science Springer db/conf/ppam/ppam2007.html