Günter Rudolph Thomas Jansen Simon M. Lucas Carlo Poloni Nicola Beume Parallel Problem Solving from Nature - PPSN X, 10th International Conference Dortmund, Germany, September 13-17, 2008, Proceedings 5199 2008 978-3-540-87699-1 PPSN Lecture Notes in Computer Science Springer db/conf/ppsn/ppsn2008.html