José Carlos Maldonado, Renata A. de Carvalho, Sandra Camargo P. F. Fabbri.
Finite State Machine (FSM) is one of the most used techniques for the specification of the Reactive Systems incremental, low-cost testing and validation strategy in the context of FSM.
http://www.lbd.dcc.ufmg.br:8080/colecoes/sbes/1999/29.pdf
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