Artur Czumaj, Kurt Mehlhorn, Andrew M. Pitts, Roger Wattenhofer, editors, Automata, Languages, and Programming - 39th International Colloquium, ICALP 2012, Warwick, UK, July 9-13, 2012, Proceedings, Part II. Volume 7392 of Lecture Notes in Computer Science, Springer, 2012. [doi]
Conference: icalp2012