CAZACU, Nelu. “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, no. 3 (September 15, 2019): 5-10. Accessed April 16, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2798.