Survey Data on European Organic Multi-Species Livestock Farms oleh Defne Ulukan, Lucille Steinmetz, Marie Moerman, Gun Bernes, Mathilde Blanc, Christopher Brock, Marie Destruel, Bertrand Dumont, Elise Lang, Tabea Meischner, Marc Moraine, Bernadette Oehen, David Parsons, Riccardo Primi, Bruno Ronchi, Lisa Schanz, Frédéric Vanwindekens, Patrick Veysset, Christoph Winckler, Guillaume Martin, Marc Benoit