PARBERY, R.D.; KARIHALOO, B.L. Optimal Design of Multi-Purpose Sandwich Beam-Columns. Engineering Transactions, [S. l.], v. 27, n. 4, p. 575–583, 1979. Disponível em: http://et.ippt.gov.pl/index.php/et/article/view/2176. Acesso em: 17 jan. 2026.