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Botanical excursions to the steppe landscapes of the Natural Park "Shcherbakovsky": methodological materials / Kuvaldina AI, Mazina O.V. - Volgograd: Literature, 2008. -
605: The Natural Environment of Russia a letter from the head of the department of nature protection measures of the State Enterprise "Natural Park" Shcherbakovsky "Contents: p.3.
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Source of the electronic copy: Nature Park "Shcherbakovskiy" (Volgograd Region) |
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