Yan, Li, Chi Yuan, Han Yongjun, Li Shengmao, and Tagawa Kotaro. 2011. “Numerical Simulation of Icing Effects on Static Flow Field Around Blade Airfoil for Vertical Axis Wind Turbine”. International Journal of Agricultural and Biological Engineering 4 (3):41-47. https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/469.