Home › Authors › Nikolai Filatov 👤 Nikolai Filatov 4 books Books by Nikolai Filatov Ladoga and Onego, great European lakes 2010 White Sea Springer Praxis Books Geophysical Sciences 2010 White Sea 2005 Results of the Finnish-Russian Results of the Finnish-Russian joint study of the lakes Onega, Ladoga, and Saimaa conducted in the summer of 1990 1997