NESZMÉLYI, L. ENTWICKLUNG DER UNTERNEHMENSNORMEN - NORMATIVENSYSTEME IN DER BAUINDUSTRIE. Periodica Polytechnica Architecture, [S. l.], v. 33, n. 1-2, p. 59–70, 1989. Disponível em: https://pp5.omikk.bme.hu/ar/article/view/2269. Acesso em: 25 feb. 2025.