RAUTIO, Milla, et al. “Diatom and Crustacean Zooplankton Communities, Their Seasonal Variability and Representation in the Sediments of Subarctic Lake Saanajärvi”. Journal of Limnology, vol. 59, no. s1, Sept. 2000, pp. 81-96, doi:10.4081/jlimnol.2000.s1.81.