KITTLER, Harald. Binary world/bivalent logic. Dermatology Practical & Conceptual, [S. l.], p. 1–2, 2012. Disponível em: https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0202a01.. Acesso em: 21 apr. 2026.