Jankovská, Vlasta, Yrjö Vasari, G. A. Elina, and O. L. Kuznetskov. “The Holocene Palaeogeography of Paanajärvi National Park, Northwestern Russia”. Fennia - International Journal of Geography 177, no. 1 (January 1, 1999): 71–82. Accessed May 13, 2024. https://fennia.journal.fi/article/view/8934.