Kotlarska I. International language volapük (wolapik) — career and barrier. In: Woźniak E, Lenartowicz-Zagrodna A, editors. Philology as the Ordering of Chaos: Language and Text Studies. Ad honorem Professoris Marci Cybulski [Internet]. Poland: Lodz University Press; 2018 [cited 2026 Jan. 26]. pp. 35-49. Available from: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1182/chapter/3213