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1.- EFFECTS OF SLASH-AND-BURN MANAGEMENT ON SOIL AGGREGATE ORGANIC C AND N IN A TROPICAL DECIDUOUS FOREST ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 1999 Ver registro
2.- SOIL POLLEN AND LAND USE HISTORY IN THE LOWLANDS TROPICS; PRELIMINARY DATA ASSOCIATION OF AMERICAN GEOGRAPHERS, SOUTHEASTERN DIVISION; WASHINGTON, DC; USA; UNITED STATES, 1995 ASSOCIATION OF AMERICAN GEOGRAPHERS 91ST ANNUAL MEETING; ABSTRACTS Ver registro
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