1. Phosphorus transformations in a toposequence of Lithosols and Cambisols from semi-arid northeastern Brazil;Agbenin;Geoderma,1994
2. Extractable Fe in relation to soil age on terrace along the Truckee river, Nevada;Alexander,1974
3. Genetic evaluation of the profile distribution of aluminum, iron and manganese;Blume,1969
4. Pedogenesis of a chronosequence in Sacramento Valley, California USA. II. Elemental chemistry of silt fractions;Bussaca;Geoderma,1989
5. An Ustult-Aquult-Tropept catena in Sierra Leone, West Africa. Characteristics, genesis and classification;Dijkerman;Geoderma,1988