Some aspects of aerial photography and forest inventory in the u.s.s.r.
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| Format: | Texto biblioteca |
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1963
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| Subjects: | EXTENSION ACTIVITIES, AERIAL SURVEYING, FOREST SURVEYS, METHODS, FOREST INVENTORIES, PHOTOGRAMMETRY, BOTANICAL COMPOSITION, PHOTOINTERPRETATION, VULGARISATION, RELEVE AERIEN, ENQUETE FORESTIERE, EXTENSION, RECONOCIMIENTO AEREO, ENCUESTAS FORESTALES, METHODE, INVENTAIRE FORESTIER, PHOTOGRAMMETRIE, COMPOSITION BOTANIQUE, METODOS, INVENTARIOS FORESTALES, FOTOGRAMETRIA, COMPOSICION BOTANICA, FOTOINTERPRETACION, |
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