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Chicago ZitierstilC J Pearson. FAO Soils Bulletin: N.72: Sustainable Dryland Cropping in Relation to Soil Productivity. Rome: FAO, 1995.
MLA ZitierstilC J Pearson. FAO Soils Bulletin: N.72: Sustainable Dryland Cropping in Relation to Soil Productivity. Rome: FAO, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.