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                  <gco:CharacterString>1) van Engelen VWP, Verdoodt A, Dijkshoorn JA and Van Ranst E 2006. Soil and Terrain Database of Central Africa (DR of Congo, Burundi and Rwanda). Report 2006/07, ISRIC - World Soil Information, Wageningen, https://library.wur.nl/WebQuery/wurpubs/fulltext/44393

2) Batjes NH 2007. SOTER-based soil parameter estimates for Central Africa - DR of Congo, Burundi and Rwanda(SOTWIScaf, version 1.0). Report 2007/02, ISRIC - World Soil Information, Wageningen, Wageningen, https://isric.org/sites/default/files/isric_report_2007_02.pdf

3) Batjes NH, Al-Adamat R, Bhattacharyya T, Bernoux M, Cerri CEP, Gicheru P, Kamoni P, Milne E, Pal DK and Rawajfih Z 2007. Preparation of consistent soil data sets for SOC modelling purposes: secondary SOTER data sets for four case study areas. Agriculture, Ecosystems and Environment 122: 26-34, http://dx.doi.org/10.1016/j.agee.2007.01.005

4) FAO, ISRIC and UG 2007. Soil and terrain database for central Africa (Burundi and Rwanda 1:1 million scale; Democratic Republic of the Congo 1:2 million scale). Land and Water Digital Media Series 33, Food and Agricultural Organization of the United Nations, ISRIC - World Soil Information and Universiteit Gent, Rome

5) Goyens C, Verdoodt A, Wauw J van de, Baert G, Engelen VWP van, Dijkshoorn JA and Ranst E van 2007. Base de données numériques sur les sols et le terrain (SOTER) de lAfrique Centrale (RD Congo, Rwanda et Burundi). Etude et Gestion des Sols, 14: 207-218, http://www.inra.fr/internet/Hebergement/afes/EGS/

6) Batjes NH 2008. Mapping soil carbon stocks of Central Africa using SOTER. Geoderma 146, 58-65, http://dx.doi.org/10.1016/j.geoderma.2008.05.006</gco:CharacterString>
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  </gmd:dataQualityInfo>
</gmd:MD_Metadata>