PUSZTAI, F. INDUSTRIAL REVIEW - AUS DER INDUSTRIE. DIE KREISELTHEODOLIT-FAMILIE. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 12, n. 4, p. 455–465, 1968. Disponível em: https://pp.bme.hu/me/article/view/6188. Acesso em: 19 may. 2024.