1. Arrouays D, Grundy MG, Hartemink AE, et al (2014) GlobalSoilMap. Advances in Agronomy. Elsevier, pp 93–134
2. Batjes NH, Al-Adamat R, Bhattacharyya T, et al (2007) Preparation of consistent soil data sets for modelling purposes: Secondary SOTER data for four case study areas. Agriculture, Ecosystems & Environment 122:26–34.
3. Campbell JL, Rustad LE, Porter JH, et al (2013) Quantity is nothing without quality: automated QA/QC for streaming environmental sensor data. BioScience 63:574–585. doi:
10.1525/bio.2013.63.7.10
4. Chaney, NW, Hempel, JW, Odgers, N, McBratney, AB, & Wood, EF (2015). dSSURGO: Development and validation of a 30 meter digital soil class product over the 8-million square kilometer contiguous United States. Geophysical Research Abstracts 17:EGU2015–11042.
5. Dewitte O, Jones A, Spaargaren O, et al (2013) Harmonisation of the soil map of Africa at the continental scale. Geoderma 211-212:138–153. doi:
10.1016/j.geoderma.2013.07.007