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Tests in the Variable Density Wind Tunnel of the N.A.C.A. 23012 Airfoil with Plain and Split Flaps

Ira H. AbbottHarry Greenberg

出版	NACA, 1939
URL	http://books.google.com.hk/books?id=eIyYPgAACAAJ&hl=&source=gbs_api