Ahlert, G., Distelkamp, M. & Meyer, M. (2017): Structures of a welfare-oriented sustainable impact assessment model and practical implementation experiences. , In: Diemer A., Dierickx, F., Gladkyh, G., Morales, M.E., Parrique, T. & Torres, J. (eds.): Europe and Sustainable Developement, Challenges and Prospects, Editions Oeconomia, pp. 23-44.