Dwinnell, James H., 1915- Principles of aerodynamics / J H Dwinnell - New York : McGraw-Hill, 1949 - xviii, 391 p. : ill. ; 24 cm. Bibilography: p. 357-360. Subjects--Topical Terms: Aerodynamics. Dewey Class. No.: 629.1323 / DWP 1949