Stefan Berghofer, Tobias Nipkow, Christian Urban, Makarius Wenzel, editors, Theorem Proving in Higher Order Logics, 22nd International Conference, TPHOLs 2009, Munich, Germany, August 17-20, 2009. Proceedings. Volume 5674 of Lecture Notes in Computer Science, Springer, 2009. [doi]
Conference: tphol2009