"Barnard, R.H.; Philpott, D. R.; Philpott, D.R.; Barndard, R. H.; Philpott, D. R." Aircraft Flight: A Description of the Physical Principles of Aircraft Flight (2nd Edition) - 2nd - 378p cm 22 ISBN: 978 0582236568 Dewey Class. No.: 629.1323 / B 230