Sharikov, Alexander, Tatyana Kovinka, and Michail Bragin. “A Comparative Laboratory Study of the Preservation of Different Rodent Bones in Pellets of Strigiformes”. Ornis Fennica 95, no. 2 (July 1, 2018): 82–88. Accessed May 19, 2024. https://ornisfennica.journal.fi/article/view/133932.