„… give valuable in-sights in farmers’ attitudes toward nutrient recycling fertilizers. At any rate, this …” „… ). Regarding potassium and nitrogen, supply shortages due to market distortions and rocket-ing energy prices …” „… Lebensmittelpreise. EU-Nachrichten: 2. BEN-AKIVA, M. and S.R. LERMAN (1994): Discrete Choice Analysis: Theory and …”