Timed Workflow Nets. - Ferucio Laurentiu Tiplea; Geanina Ionela Macovei (SYNASC, 2005)

E-timed Workflow Nets. - Ferucio Laurentiu Tiplea; Geanina Ionela Macovei (SYNASC, 2006)

Soundness for S - and A -Timed Workflow Nets Is Undecidable. - Ferucio Laurentiu Tiplea; Geanina Ionela Macovei (IEEE Trans. Syst. Man Cybern. Part A, 2009)