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What’s going around? A social network explanation of youth party membership
Published 2019-07-01Get full text
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Evolution of the Danube River's islands on the Bulgaria-Romania border over the last century.
Published 2025-01-01“…The border line between Bulgaria and Romania was established a century ago on the Danube River's thalweg, going around islands. Over time, islands migrated; to avoid conflicts, islands located on the border line are declared neutral territory by both countries and they exit from use. …”
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