Ken S. Stevens Shai Rotem Steven M. Burns Jordi Cortadella Ran Ginosar Michael Kishinevsky Marly Roncken CAD Directions for High Performance Asynchronous Circuits. 116-121 1999 DAC http://doi.acm.org/10.1145/309847.309893 db/conf/dac/dac99.html#StevensRBCGKR99