IRPS, Hartwig. Erneuerbare Energie in Land- und Forstwirtschaft. agricultural engineering.eu, [S. l.], v. 55, n. 4, p. 310–311, 2000. DOI: 10.15150/lt.2000.1920. Disponível em: http://195.37.233.21/landtechnik/article/view/2000-55-4-310-311. Acesso em: 16 nov. 2024.