. . . . "ITC Bok"@en . . "3"^^ . "Apply"@en . . . . "Explain and apply simple raster-based surface analysis "@en . . . "Explain and apply simple raster-based surface analysis "@en . "3.0" . . "Surface analysis"@en . "https://ltb.itc.utwente.nl/page/792/concept/152905"