Batjes NH 2009. Harmonized soil profile data for applications at global and continental scales: updates to the WISE datase. Soil Use and Management 25, 124-127 (
http://dx.doi.org/10.1111/j.1475-2743.2009.00202.x)
Batjes, N.H. and Bridges, E.M., 1994. Potential emissions of radiatively active gases from soil to atmosphere with special reference to methane: development of a global database (WISE). Journal of Geophysical Research, 99(D8): 16479-16489.