Bishop TF, Minasny B, McBratney AB. Uncertainty analysis for soil-terrain models. International Journal of Geographical Information Science. 2006;20:117-34.
Bishop TF, Minasny B. Digital Soil-Terrain Modelling: The Predictive Potential and Uncertainty. In: Grunwald S, editor. Environmental Soil-Landscape Modeling: Geographic Information Technologies and Pedometrics. Boca Raton, Florida: CRC Press; 2005. p. 185-213.
Bishop TF, McBratney AB. A comparison of prediction methods for the creation of field-extent soil property maps. Geoderma. 2001;103:149-60.
McBratney AB, Odeh IO, Bishop TF, Dunbar MS, Shatar TM. An overview of pedometric techniques for use in soil survey. Geoderma. 2000;97:293-327.

In November 2008, an $18 million grant has been obtained from the Bill & Melinda Gates foundation and the Alliance for a Green Revolution in Africa (AGRA) to map most parts in Sub-Sahara Africa, and make all Sub-Saharan Africa data available. From this grant there are also funds for coordinating global efforts and for the establishment of a global consortium. Several institutions have assumed a leading role in this effort and have made substantial financial and in-kind contributions.

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