SIEBERTZ, Otmar. CAD-3D – komplexes Werkzeug für die Produktentwicklung. agricultural engineering.eu, [S. l.], v. 56, n. SH1, p. 212–215, 2001. DOI: 10.15150/lt.2001.2142. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2001-56-SH1-212-215. Acesso em: 20 apr. 2024.