GARTUNG, Jürgen. Baukostenermittlung. agricultural engineering.eu, [S. l.], v. 58, n. 2, p. 80–81, 2003. DOI: 10.15150/lt.2003.1399. Disponível em: http://195.37.233.11/landtechnik/article/view/2003-58-2-080-081. Acesso em: 2 mai. 2024.