IRPS, Hartwig. Energie und Energieszenarien. agricultural engineering.eu, [S. l.], v. 55, n. 3, p. 254–255, 2000. DOI: 10.15150/lt.2000.1901. Disponível em: http://195.37.233.11/landtechnik/article/view/2000-55-3-254-255. Acesso em: 30 apr. 2024.