Numbers of the Cormorant in the Dniester Delta von I. T. Rusev

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The Yellow-Legged Gull (Larus cachinnans) in Odessa and its nesting on a roof of the building von I. T. Rusev, D. V. Radkov, S. L. Kurochkin

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Erizootological importance of the Cormorant in the Azov-Black Sea region von I. T. Rusev, V. S. Grekov, Z. N. Nekhoroshikh, Z. I. Mogilevskaja, M. V. Malikova

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