« The Influence of the Number of Levels on the Behavior of a Vertical Axis Wind Turbine with Two Pairs of Blades and Periodic Aerodinamic Couplings » (2019) The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 42(3), p. 5–10. doi:10.35219/mms.2019.3.01.