BREWKA, G.; LAKEMEYER, G. Hybrid Reasoning for Intelligent Systems: A Focus of KR Research in Germany. AI Magazine, [S. l.], v. 39, n. 4, p. 80-83, 2018. DOI: 10.1609/aimag.v39i4.2838. DisponĂ­vel em: https://ojs.aaai.org/index.php/aimagazine/article/view/2838. Acesso em: 16 oct. 2021.