. . . . . . . . . . . "Quarterly progress report for LANDSAT-4 image data quality analysis"@en . . . . "Quarterly progress report for LANDSAT-4 image data quality analysis : for period including November 10, 1983-February 9, 1984"@en . "LANDSAT-4 image data quality analysis"@en . . . . . . . . . . . "Computer systems programs." . . "Thematic mapping." . . "Spatial resolution." . . . . "Satellite imagery." . . "Point spread functions." . . "Image analysis." . . "Crop identification." . . "Thematic mappers (landsat) ." . . "Landsat 4." . .