Observer design for Continuous timed Petri Nets with product server semantics. - J. L. Garcia-Malacara; Antonio Ramírez-Treviño; Carlos Renato Vázquez; Enrique Aguayo-Lara (ETFA, 2013)

Duality of controllability-observability in continuous Petri nets. - Carlos Renato Vázquez; J. L. Garcia-Malacara; Antonio Ramírez-Treviño (ETFA, 2014)