Oborn, I. (1994). Morphology, chemistry, mineralogy and fertility of some acid sulfate soils in Sweden. Swenden: Swedish University of Agricultural Sciences.
Styl ChicagoOborn, Ingrid. Morphology, Chemistry, Mineralogy and Fertility of Some Acid Sulfate Soils in Sweden. Swenden: Swedish University of Agricultural Sciences, 1994.
Citace podle MLAOborn, Ingrid. Morphology, Chemistry, Mineralogy and Fertility of Some Acid Sulfate Soils in Sweden. Swenden: Swedish University of Agricultural Sciences, 1994.
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