GEYER, Martin; JAKOB, Martina; ROHLFING, Hans-Reinhard. Bewertung von Erntehilfen für Spargel. agricultural engineering.eu, [S. l.], v. 57, n. 1, p. 56–57, 2002. DOI: 10.15150/lt.2002.1563. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2002-57-1-056-057. Acesso em: 8 mai. 2024.