1. Antle, J. M., & Capalbo, S. M. (2002). Agriculture as a managed ecosystem: Policy implications. Journal of Agricultural and Resource Economics, 27(1), 1–5.
2. Ayer, H. W. (1997). Grass roots collective action: Agricultural opportunities. Journal of Agricultural and Resource Economics, 22, 1–11.
3. Barrios, E. (2007). Soil biota, ecosystem services and land productivity. Ecological Economics, 64, 269–285.
4. Berkes, F. (1986). Local level management and the commons problem: A comparative study of Turkish coastal fisheries. Marine Policy, 10, 215–229.
5. Bräuer, I., Mϋssner, R., Marsden, K., Oosterhuis, F., Rayment, M., Miller, C., & Dodoková, A. (2006). The use of market incentives to preserve biodiversity ECOLOGIC, p. 51, Final report: a project under the framework contract for economic analysis. ENV.G.1/FRA/2004/0081.