RICHARDS, Ted. The Structure of Valuation: A Short Technical Reply to Gallopin. Journal of Formal Axiology: Theory and Practice, [S. l.], v. 5, p. 181–186, 2012. DOI: 10.67945/jfa.v5i.107. Disponível em: https://journal.hartmaninstitute.org/index.php/jfa/article/view/107. Acesso em: 12 nov. 2026.