CAZACU, N. (2019) “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”, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 42(3), pp. 5-10. doi: https://doi.org/10.35219/mms.2019.3.01.