Morelli, Federico, and Anders Pape Møller. “Concerns about the Use of Ecosystem Services As a Tool for Nature Conservation: From Misleading Concepts to Providing a “price” for Nature, But Not a ‘value’”. European Journal of Ecology, vol. 1, no. 1, June 2015, pp. 68-70, https://doi.org/10.1515/eje-2015-0009.