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3. Utilisation des palaeosols comme éléments de datation des formations Quaternaires;Barrière;C.R. Acad. Sci.,1971
4. Distribution of pyrophosphate extractable iron and organic carbon in soils of different groups;Bascomb;J. Soil Sci.,1968
5. Les sols rouges du confluent Rhone-Isère;Bornand;Sci. Sol,1969