Safin , Dmitriy Shamilevich. “Features of the Presentation of the Current State of the German Language in the Online Version of the Duden Dictionary”. Miasto Przyszłości 55 (December 7, 2024): 230–236. Accessed July 9, 2025. https://miastoprzyszlosci.com.pl/index.php/mp/article/view/5548.