1. Atlas “Ladozhskoe ozero” (Atlas “Lake Ladoga”), St. Petersburg: INOZ RAN, 2002, p. 128.
2. Vodokanal Sankt-Peterburga-2008 (Vodokanal of Sankt-Peterburg-2008), St. Petersburg, 2008.
3. Kondratyev, S.A., Formirovanie vneshnei nagruzki na vodoemy: problemy modelirovaniya (Formation of External Load on Water Bodies: Modeling Problems), St. Petersburg: Nauka, 2007.
4. Kondratyev, S.A., Basova, S.L., Ershova, A., et al., Method for Assessing Nutrient Load on Water Bodies in Northwestern Russia, Izv. Russkogo Geograficheskogo Obshchestva, 2009, vol. 141, no. 2, pp. 42–52.
5. Ladozhskoe ozero. Proshloe, nastoyashchee, budushchee (Lake Ladoga: The Past, Present, and Future), Rumyantsev, V.A., and Drabkova, V.G., Eds., St. Petersburg: Nauka, 2002.