ERDÉLYI, Attila. ESTIMATING THE RELAXATION OF PRESTRESSING TENDONS Periodica Polytechnica Civil Engineering, [S. l.], v. 33, n. 1-2, p. 19–32, 1989. Disponível em: https://pp.bme.hu/ci/article/view/3912. Acesso em: 18 jun. 2025.