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  1. 1

    Design and flight evaluation of an integrated navigation and near-terrain helicopter guidance system for night-time and adverse weather operations

    Moffett Field, Calif. : [Springfield, Va.] : National Aeronautics and Space Administration, Ames Research Center ; [National Technical Information Service, distributor], 1994
    Format: Government Document Book


  2. 2

    Autonomus flight and remote site landing guidance research for helicopters by Denton, R. V.

    [Washington, D.C.] : [Springfield, Va.] : National Aeronautics and Space Administration ; [National Technical Information Service, distributor], 1987
    Format: Government Document Book


  3. 3

    Detection of obstacles in monocular image sequences : final technical report for NASA co-operative research agreement number NCC 2-916, "A vision-based obstacle detection system fo... by Kasturi, Rangachar, 1949-

    [Washington, DC] : [Springfield, Va.] : [National Aeronautics and Space Administration] ; [National Technical Information Service, distributor], 1997
    Format: Government Document Book