Strzyż, P., & Wrzosek, J. (2021). (Review) Sven Ekdahl, In Search of the Battlefield of Tannenberg (Grunwald) of 1410. New Research with Metal Detectors in 2014–2019, Vilnius 2019, pp. 279. : On the Problems of Battlefield Research. Fasciculi Archaeologiae Historicae, 34, 159–162. https://doi.org/10.23858/FAH34.2021.012