Peer-reviewed publications
Vrebos, D., Bampa, F., Creamer, R.E., Gardi, C., Ghaley, B.B., Jones, A., Rutgers, 
M., Sandén, T., Staes, J., Meire, P., 2017: The impact of policy instruments on soil multifunctionality in the European Union. Sustainability 9(3): 407. [http://doi.org/10.3390/su9030407] - Analysis of the impact of policy instruments on EU, national and regional levels on soil multifunctionality.

Turpin, N., ten Berge, H., Grignani, C., Guzmán, G., Vanderlinden, K., Steinmann, 
H.-H., Siebielec, G., Spiegel, A., Perret, E., Ruysschaert, G., Laguna, A., Giráldez, 
J.V., Werner, M., Raschke, I., Zavattaro, L., Costamagna, C., Schlatter, N., Berthold, 
H., Sandén, T., Baumgarten, A., 2017: An assessment of policies affecting Sustainable 
Soil Management in Europe and selected member states. Land Use Policy 66: 241–249. [http://doi.org/10.1016/j.landusepol.2017.04.001] - Assessment of soil-related policy instruments on EU level and in selected member states and regions (Austria, France, Italy, the Netherlands, Poland, Lower Saxony, Thuringia, Andalusia, Flanders).

Glæsner, N., Helming, K., de Vries, W., 2014: Do current European policies prevent 
soil threats and support soil functions? Sustainability 6: 9538–9563. [http://doi.org/10.3390/su6129538] - Analysis of EU-level soil-related policies with respect to their influence on soil threats and soil functions.

Prager, K., Schuler, J., Helming, K., Zander, P., Ratinger, T., Hagedorn, K., 2011: Soil degradation, farming practices, institutions and policy responses: An analytical 
framework. Land Degradation and Development 22: 32–46. [http://doi.org/10.1002/ldr.979] - Analysis of effectiveness and efficiency of a selected set of soil-related policies across Europe within the Institutions of Sustainability framework.