BOYCE, W. H. Earthquake engineering research
 at The Papua and New Guinea
 Institute of Higher Technical Education. Bulletin of the New Zealand Society for Earthquake Engineering, [S. l.], v. 2, n. 4, p. 482, 1969. DOI: 10.5459/bnzsee.2.4.482. Disponível em: https://bulletin.nzsee.org.nz/article/view/1367. Acesso em: 3 jun. 2026.