VOLCHANETSKII, I B [Ornithofauna of the Elton district of the left bank of the Volga and its modification in relation to field protecting forestation]. [electronic resource] - Zoologicheskii zhurnal - 501-12 p. digital Publication Type: Journal Article ISSN: 0044-5134 Subjects--Topical Terms: AnimalsBirdsForestsProtective Agents