Plans and developments for air traffic systems: Papers presented at the 20th symposium of the Guidance and Control Panel, held in Cambridge, ... 20-23 May 1975 (AGARD conference proceedings)
details (USA).
ISBN: 978-92-835-0156-5
ISBN-10: 92-835-0156-X
microfiche or photocopy available from National Technical Information Service] · 1976