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2. R. E. Liesegang, Geologische Diffusionen (Dresden und Leipzig, 1913).
3. M. Saksela, “Zur Mineralogie und Enstonung der Pitkäranta Erze,” Bull. Commis. Geol. Finl. 154, 181–231 (1951).
4. R.A. Khazov, Metallogeny of the Ladoga-Botnic Geoblock of the Baltic Schield (Nauka, Moscow, 1982) [in Russia].
5. R. A. Khazov, Geological Features of the Tin Mineralization of the Northern Ladoga Region (Nauka, Leningrad, 1973) [in Russian].