1.
Senft S. The conditions for the economic independce of the Polish minority in the Opole Silesia (from the second half of XIX century to the Second World War). Bord. Reg. Stud. [Internet]. 2015 Aug. 12 [cited 2024 Nov. 22];3(1):57-6. Available from: https://czasopisma.uni.opole.pl/index.php/p/article/view/506