Kłóś, A. “From Neuron to Culture – a Biosemiotic Perspective of the Origin and Evolution of the Brain According to Marcello Barbieri”. Philosophical Problems in Science (Zagadnienia Filozoficzne W Nauce), no. 56, Sept. 2014, pp. 93-129, https://zfn.edu.pl/index.php/zfn/article/view/28.