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Bernard M, Schwertmann C, Breuer J, Knobloch C
Soil erosion studies in the humid tropics of Nigeria and Cameroon
Entwicklung + Ländlicher Raum
1990
24/5
23-25

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Bigham JM, Schwertmann U, Carlson L, Murad E
A poorly crystallized oxyhydroxysulfate of iron formed by bacterial oxidation of Fe(II) in acid mine waters
Geochimica et Cosmochimica Acta
1990
54
2743-2758

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Carlson L, Schwertmann U
The effect of CO2 and oxidation rate on the formation of goethite versus lepidocrocite from an Fe(II) system at pH 6 and 7
Clay Minerals
1990
25
65-71

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Murad E, Bigham JM, Bowen LH, Schwertmann U
Magnetic properties of iron oxides produced by bacterial oxidation of Fe2+ under acid conditions
Hyperfine Interactions
1990
58
2373-2376

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Murad E, Schwertmann U, Cashion J,.D
Magnetic hyperfine fields in aluminous magnetites synthesized at ambient temperature
Hyperfine Interactions
1990
54
619-622

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Schwertmann U
Some properties of soil and synthetic iron oxides
Chapter 3 in: De Boodt, M.F. et al. (eds.) "Soil colloids and their associations in aggregates". Plenum Press, N.Y.
1990
57-84

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Schwertmann U
Pedogenic significance of iron oxide minerals in highly weathered tropical soils
Transactions 14th Int. Congress of Soil Science, Vol. VII
1990
88-93

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Schwertmann U, Murad E
The influence of aluminum on iron oxides. XIV. Al-substituted magnetite synthesized at ambient temperatures
Clays and Clay Minerals
1990
38
196-202

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Schwertmann U, Murad E
Forms and translocation of iron in podzolized soils
Proc. 5th Intern. Soil Correl. Meeting on Spodosols
1990
319-341

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Schwertmann U, Murad E, Carlson L
New aspects of iron oxide properties and the formation of iron oxides in various environments
Lectures of the 6th meeting of the European Clay Groups, Sevilla 1987
1990
201-202