NEUWIRTH, Gábor. BETRIEBSNORMEN UND NORMATIVEN IN DER BAUINDUSTRIE Periodica Polytechnica Architecture, [S. l.], v. 20, n. 2-4, p. 167–178, 1976. Disponível em: https://pp.bme.hu/ar/article/view/2456. Acesso em: 1 jun. 2025.