Willer, Helga; Yussefi, Minou and Sthamer, Dirk (2007) Main Results. In: Willer, Helga and Yussefi, Minou (Eds.) The World of Organic Agriculture - Statistics and Emerging Trends 2007, International Federation of Organic Agriculture Movements (IFOAM), Bonn, Germany and Research Institute of Organic Agriculture FiBL, Frick, Switzerland, chapter 5: The Global Survey on Organic Farming 2007, pp. 23-44.