capítulo

• Aggregation studied by laser diffraction in relation to plouwin, soil organic matter and lime in the brazilian cerrados.  Sustainable land management for the oxisols of the Latin American savannas: dynamics of soil organic matter and indicators of soil quality. Cali (Colombia): Centro Internacional de Agricultura Tropical (CIAT). 64-76. 1999
• Aggregation studied by laser diffraction in relation to plouwin, soil organic matter and lime in the brazilian cerrados-.  Sustainable land management for the oxisols of the Latin American savannas: dynamics of soil organic matter and indicators of soil quality. Cali (Colombia): Centro Internacional de Agricultura Tropical (CIAT). 64-76. 1999