Huusko, A., J. Jurvelius, and J. Louhimo. “Characterizing the Pelagic Fish Assemblage in Lake Paanajärvi: Scarce Stocks and Large Individuals”. Fennia - International Journal of Geography, vol. 177, no. 1, Jan. 1999, pp. 37-43, https://fennia.journal.fi/article/view/8931.