Consumer Willingness To Pay for Proenvironmental Attributes of Biogas Digestate-Based Potting Soil.Published in:Sustainability (2071-1050), 2020, v. 12, n. 16, p. 6405, doi. 10.3390/su12166405By:Herbes, Carsten;Dahlin, Johannes;Kurz, PeterPublication type:Article