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| 57 | | Z18 |
Zaitsev, Y.
Marine Biological Diversity in the Black Sea [Текст] : A Study of Change and Decline / Yu. Zaitsev, V. Mamaev. – New York : United Nations Publications, 1997. – 208 p. – (Black Sea Environmental Programme).
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| ISBN 92-1-126042-6 | УДК 574.5(262.5) |
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