Organic food quality: a framework for concept, definition and evaluation from the European perspective

Johannes Kahl, Ton Baars, Susanne Gjedsted Bügel, Nicolaas Busscher, Machteld Huber, Daniel Kusche, Ewa Rembialkowska, Otto Schmid, Kathrin Seidel, Bruno Taupier-Letage, Alberta Velimirov, Agneta Zalecka