Barnard, R. H. 1939- Aircraft flight : a description of the physical principles of aircraft flight. / [Book]. R. H. Barnard [and] D.R. Philpott. - London : Longman Scientific & Technicalm 1989 - vi,371p. : ill. ; 22cm Includes index ISBN: 0582003385 Subjects--Topical Terms: Aerodynamics.