I. Diaconescu, “Thermal calculation of heat pump for two types of working conditions”, Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering, vol. 26, no. 1, pp. 15-18, Aug. 2022.