1.
CENTEK, Jarosław and KUŁACZ, Sławomir. The reasons for the successful breakthrough at Gorlice. Klio. CPDPiP. Online. 21 November 2018. Vol. 45, no. 2, pp. 85-95. [Accessed 8 July 2025]. DOI 10.12775/KLIO.2018.020.