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    • [Classification of the avian summer population of the Western Siberian plain]. 

      Ravkin, IuS; Vartapetov, L.G; Iudkin, V.A; Milovidov, S.P; Toropov, K.V; Tsybulin, S.M; Zhukov, V.S; Fomin, B.N; Adam, A.M; Pokrovskaia, I.V; Ananin, A.A; Panteleev, P.A; Solov'ev, S.A; Vakhrushev, A.A; Ravkin, E.S; Blinova, T.K; Shor, E.L; Polushkin, D.M; Kozlenko, A.B; Anufriev, V.M; Tertitskiĭ, G.M (2001)
      The proposed classification system reflects the difference between the three population systems: unbuilt land, built-up land, and aquatic-semiaquatic communities. Two superorder groups--north and median--further divided ...