CHOIŃSKI, Adam, MUSZYŃSKI, Andrzej and PTAK, Mariusz. Reconstruction of the primary bottom of a unique crater lake in the “Meteoryt Morasko Reserve” (Poland). Bulletin of Geography. Physical Geography Series. Online. 31 December 2019. No. 17, pp. 5-16. [Accessed 18 July 2024]. DOI 10.2478/bgeo-2019-0010.