VÉRTES, Gy. DETERMINATION OF THE HORIZONTAL NATURAL FREQUENCY OF lVIULTISTOREY PANEL BUILDINGS Periodica Polytechnica Civil Engineering, [S. l.], v. 12, n. 3, p. 55–85, 1968. Disponível em: https://pp.bme.hu/ci/article/view/4367. Acesso em: 23 jul. 2024.