BARTKEVIČIUS, S.; DAUNORAS, J.; KRAGNYS, R.; ŠARKAUSKAS, K. Control of Delays during Simulation of Control Systems by Petri Nets. Elektronika ir Elektrotechnika, [S. l.], v. 65, n. 1, p. 16-19, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10544. Acesso em: 8 oct. 2022.