Title:Agregação, matéria orgânica leve e carbono mineralizável em agregados do solo / Aggregation, light organic matter and carbon mineralization in soil aggregates
Title:Las tierras mancomunadas en Santiago del Estero : Problemas y estudios de caso en la colonia y el siglo XIX / The “Mancomún” in Santiago del Estero province :: Research problems and case studies during colonial times and XIXth century