PETTINATO, G.; WAETZOLDT, H. Saatgut und Furchenabstand beim Getreideanbau. Studia Orientalia Electronica, [S. l.], v. 46, p. 259–290, 2015. Disponível em: https://journal.fi/store/article/view/49876. Acesso em: 19 dec. 2024.