TIKÁSZ, E. SHAFT DEPTH MEASUREMENT BY MEANS OF AN ELECTRO-OPTICAL DISTANCE METER. Periodica Polytechnica Civil Engineering, [S. l.], v. 19, n. 1-2, p. 169–174, 1975. Disponível em: https://pp.bme.hu/ci/article/view/4216. Acesso em: 23 jul. 2024.