Hagen, G. E., & Butler, R. W. (2014). Towards a formal semantics of flight plans and trajectories. National Aeronautics and Space Administration, Langley Research Center.
Chicago Style (17th ed.) CitationHagen, George E., and Ricky W. Butler. Towards a Formal Semantics of Flight Plans and Trajectories. Hampton, Virginia: National Aeronautics and Space Administration, Langley Research Center, 2014.
MLA (9th ed.) CitationHagen, George E., and Ricky W. Butler. Towards a Formal Semantics of Flight Plans and Trajectories. National Aeronautics and Space Administration, Langley Research Center, 2014.
Warning: These citations may not always be 100% accurate.