Mohamed G. Gouda, Ching-Hua Chow, Simon S. Lam. On the Decidability of Livelock Detection in Networks of Communicating Finite State Machines. In Yechiam Yemini, Robert E. Strom, Shaula Yemini, editors, Protocol Specification, Testing and Verification IV, Proceedings of the IFIP WG6.1 Fourth International Workshop on Protocol Specification, Testing and Verification, Skytop Lodge, PA, USA, June 11-14, 1984. pages 47-56, North-Holland, 1984.