[BDE+15] Christel Baier, Marcus Daum, Benjamin Engel, Hermann Härtig, Joachim Klein, Sascha Klüppelholz, Steffen Märcker, Hendrik Tews and Marcus Völp. Locks: Picking key methods for a scalable quantitative analysis. Journal of Computer and System Sciences, 81(1), pages 258-287. 2015. [Extends PRISM with support for conditional steady-state queries and then analyses models of low-level operating-system code, using a test-and-test-and-set (TTS) lock as an example.]