| Hao Zheng |   Modular Synthesis and Verification of Timed Circuits Using Automatic Abstraction,   University of Utah, 2001. |
| Jared Ahrens |   A compositional approach to asynchronous design verification with automated state space reduction,   University of South Florida, 2007. |
| Hao Zheng |   Specification and Compilation of Timed Systems,   University of Utah, 1998. |