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Crop area estimation based on remotely-sensed data with an accurate but costly subsample final repor

Gunst, Richard F., 1947-
Dallas, Tex. : Dept. of Statistics, Southern Methodist University ; [Washington, D.C.] : National Aeronautics and Space Administration, [1985?] 1985

A method for estimating soil moisture availability

University Park, PA : Department of Meteorology, College of Earth and Mineral Sciences, the Pennsylvania State University ; [Washington, D.C.] : National Aeronautics and Space Administration, 1985. 1985

Procedures for gathering ground truth information for a supervised approach to a computer-implemente

Joyce, Armond T.
Washington, D.C. : National Aeronautics and Space Administration, Scientific and Technical Information Office, [1978] 1978