Christoph Dürr Thomas Wilke 29th International Symposium on Theoretical Aspects of Computer Science, STACS 2012, February 29th - March 3rd, 2012, Paris, France STACS 14 2012 978-3-939897-35-4 Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik LIPIcs db/conf/stacs/stacs2012.html http://drops.dagstuhl.de/portals/extern/index.php?semnr=12001