BLAKELEY, R. W. G.; PARK, R. Ductility of prestressed concrete members. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 4, n. 1, p. 145–170, 1971. DOI: 10.5459/bnzsee.4.1.145-170. Disponível em: https://bulletin.nzsee.org.nz/article/view/1324. Acesso em: 26 may. 2026.