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Message * Bioraznoobrazie Rastitelʹnogo Pokrova Kraĭnego Severa Inventarizat︠s︡ii︠a︡, Monitoring, Okhrana : Materialy Vserossiĭskoĭ Konferent︠s︡ii, Syktyvkar, 22-26 Mai︠a︡ 2006 G. - 5896063326 - 9785896063322