ND. In Memoriam... dr hab. Robert Piotrowski (1965-2014). Filozoficzne Aspekty Genezy , Poland, v. 10, p. 253–257, 2021. DOI: 10.53763/fag.2013.10.88. Disponível em: https://fag.ifil.uz.zgora.pl/index.php/fag/article/view/88.. Acesso em: 4 dec. 2024.