Kämpf N, Schwertmann URelacoes entre oxidos de ferro e a cor em solos cauliniticos do Rio Grande do Sul (Relations between iron oxides and soil colour in kaolinitic soils of Southern Brazil)R. Bras. Ci. Solo1983727-31
Kämpf N, Schwertmann UGoethite and hematite in a climosequence in Southern Brazil and their application in classification of kaolinitic soilsGeoderma19832927-39
Murad E, Schwertmann UThe influence of aluminium substitution and crystallinity on the Mössbauer spectra of goethiteClay Minerals198318301-312
Schwertmann UThe role of aluminium in iron oxide systemsIn: "Lateritisation Processes", Proceedings of the II. International Seminar on Lateritisation Processes held in Sao Paulo, Brazil1983July 4-12, 1982, p. 65-68
Schwertmann U, Auerswald K, Bernard MErfahrungen mit Methoden zur Abschätzung des Bodenabtrags durch WasserGeomethodica1983887-116
Schwertmann U, Fechter HThe point of zero charge of natural and synthetic ferrihydrites and its relation to adsorbed silicateClay Minerals198317471-476
Schwertmann U, Klamt E, Kämpf N, Schneider PObservaçóes Pedogenéticas em Solos do BrazilBoletin Informativo, SBCS, Campinas19838(2)39-43
Schwertmann U, Kämpf NOxidos de Ferro Jovens em Ambientes Pedogenéticos Brasileiros (Young iron oxides in Brazilian pedogenic environments)R. Bras. Ci. Solo 19837251-255
Schwertmann U, Murad EEffect of pH on the formation of goethite and hematite from ferrihydriteClays and Clay Minerals198331277-284
Süsser P, Schwertmann UIron oxide mineralogy of ochreous deposits in drain pipes and ditchesZ. Kulturtechn. Flurber198324386-395