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Author | Title | Year | Publication | Volume | Pages |
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Hodl, C. | Geocaching in protected areas – a survey of potential negative effects on the natural environment and implications for future management in the Donau-Auen National Park, Austria | 2016 | Monitoring and Management of Visitor Flows in Recreational and Protected Areas – ABSTRACT BOOK | MMV 8 - Proceedings | 252-254 |