BLASZAK, Maciej. Can „Concept Formation in Animals” be a Verifiable, Empirical Hypothesis?. Anthropological Review, [S. l.], v. 58, p. 89–97, 1995. DOI: 10.18778/1898-6773.58.09. Disponível em: https://czasopisma.uni.lodz.pl/ar/article/view/13488. Acesso em: 3 jul. 2024.