VOGTHERR, Jochen; OECHSNER, Hans; LEMMER, Andreas; JUNGBLUTH, Thomas. Landwirtschaftliche Biogasanlagen in Baden-Württemberg. agricultural-engineering.eu, [S. l.], v. 62, n. 2, p. 94–95, 2007. DOI: 10.15150/lt.2007.946. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2007-62-2-094-095. Acesso em: 28 märz. 2024.