Eighth session of the Working Party on Soil Classification and Survey (European Commission on Agriculture), Helsinki, Finland, 5-7 Jul 1971
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| Format: | Texto biblioteca |
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1972
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| Subjects: | AGL ECA SC, SOIL SURVEYS, SOIL CLASSIFICATION, SOIL, CARTOGRAPHY, ENQUETE PEDOLOGIQUE, CLASSIFICATION DES SOLS, RECONOCIMIENTO DE SUELOS, CLASIFICACION DE SUELOS, SOL, CARTOGRAPHIE, SUELO, CARTOGRAFIA, |
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