SZABADVÁRY, F. Prof. JÁNOS KLÁR. 1906-1972. Periodica Polytechnica Civil Engineering, [S. l.], v. 17, n. 1-2, p. 3–5, 1973. Disponível em: https://pp.bme.hu/ci/article/view/4243. Acesso em: 19 may. 2024.