ISBN 9781493648689 books & textbook
The History of the XV-15 Tilt Rotor Research Aircraft: From Concept to Flight (The NASA History Series)
Administration, National Aeronautics and Space Maisel, Martin D. Guilianetti, Demo J. Dugan, Daniel C.
CreateSpace Independent Publishing Platform /2013-11-01 Paperback / 218 Pages
isbn-10: 1493648683 / isbn-13: 9781493648689
