The vegetation cover of the source Vetlanders of the Upper Volga / E.V.Chemeris

The vegetation cover of the source Vetlanders of the Upper Volga / E.V.Chemeris / Chemeris E.V.- Rybinsk: Publishing House of OJSC Rybinsky Press House, 2004. -605: The natural wealth of Russia Electronic letter No. 12502-5335/376 dated May 22, 2017 IBVV RAS..Source of an electronic copy: Institute of Biology of Internal Water named afterI.D.Papanin RAS.Site