// <I>Energy<D> - Efficiency - Ecology : 18th International symposium on "'Thermal science and engineering of Serbia'', Sokobanja, Serbia,17-20 october 2017, University of Nis, 2017, p. 609-622
V. Kamburova; A. Ahmed; I. K. Iliev;
I. Beloev;
M. Lakovic-Paunovice и др.