MAJGIER, Leszek and RAHMONOV, Oimahmad. Selected Chemical Properties of Necrosols from the Abandoned Cemeteries Słabowo and Szymonka (Great Mazurian Lakes District). Bulletin of Geography. Physical Geography Series. Online. 28 December 2012. No. 5, p. 43–55. [Accessed 5 February 2025]. DOI 10.2478/v10250-012-0003-8.