Naumowicz, Adam; Kornilowicz, Artur (2009). "A Brief Overview of Mizar". In Berghofer, Stefan; Nipkow, Tobias; Urban, Christian; Wenzel, Makarius (eds.). Theorem Proving in Higher Order Logics, 22nd International Conference, TPHOLs 2009, Munich, Germany, August 17–20, 2009. Proceedings. Lecture Notes in Computer Science. Vol. 5674. Springer. pp. 67–72. doi:10.1007/978-3-642-03359-9_5. ISBN978-3-642-03358-2.