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Energy Losses and Fan Characteristics of the M.I.T. 5 ́x 71/2 ́wind Tunnel

James S. CooneyCourtland D. Perkins

出版	Massachusetts Institute of Technology, Department of Aeronautical Engineering, 1941
URL	http://books.google.com.hk/books?id=cba_NwAACAAJ&hl=&source=gbs_api