Wacewicz, Sławomir, and Przemysław Żywiczyński. “From the Narrow to the Broad. Multiple Perspectives on Language Evolution”. Theoria et Historia Scientiarum 11 (January 30, 2015): 5–18. Accessed July 18, 2024. https://apcz.umk.pl/THS/article/view/ths-2014-001.