Evaluation of the ecosystem services approach in agricultural literature oleh Martin Schmidt, Peter Weißhuhn, Jürgen Augustin, Roger Funk, Kati Häfner, Hannes König, Lasse Loft, Christoph Merz, Claas Meyer, Annette Piorr, Michaela Reutter, Ulrich Stachow, Karin Stein-Bachinger, Bettina Matzdorf