Pabjan, Tadeusz. “On the Authorship Problem of the Darkness of the Night Sky Paradox”. Philosophical Problems in Science (Zagadnienia Filozoficzne w Nauce), no. 41 (December 6, 2007): 16–27. Accessed December 6, 2022. https://zfn.edu.pl/index.php/zfn/article/view/263.