General untimed Petri net models for the general components of automatic transport systems with accumulation areas. - Dan Ungureanu-Anghel; Eugen Raduca; Mihaela Raduca; Dan Ionescu (SACI, 2009)

Large wind farms integration in Romanian power system. Case study: Moldavia region. - Dan Jigoria-Oprea; Constantin Barbulescu; Stefan Kilyeni; Mihaela Raduca (SACI, 2011)