A System Concept For Facilitating User Preferences In En Route Airspace... NASA-TM-4763... Mar. 31, 1997.
Contributors: United States. National Aeronautics and Space Administration.
Publisher: s.n.
Published: 1998
Place of publication: [S.l
Language: eng
Notes: Shipping List #: 98-0613-M.

Shipping List Date: 05/15/98.