Designing an asynchronous processor using Petri nets. - Alexei L. Semenov; Albert Koelmans; Lee Lloyd; Alexandre Yakovlev (IEEE Micro, 1997)

Asynchronous microprocessors: From high level model to FPGA implementation. - Lee Lloyd; Keith Heron; Albert Koelmans; Alexandre Yakovlev (J. Syst. Archit., 1999)