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Παραπομπή σε μορφή Chicago (17η εκδ.)Nature Conservation Research: Заповедная наука. Fund for Support and Development of Protected Areas "Bear Land", 2016.
Παραπομπή σε μορφή MLA (8th εκδ.)Nature Conservation Research: Заповедная наука. Fund for Support and Development of Protected Areas "Bear Land", 2016.
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