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Singh, Dushyant; Premachandran, B.; Kohli, Sangeeta . (2013). Numerical Simulation of the Jet Impingement Cooling of a Circular Cylinder. Numerical Heat Transfer, Part A: Applications, 64(2), 153–185. doi:10.1080/10407782.2013.772869 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research