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Cave and Karst Systems of Hungary; Cave and Karst Systems of the World ,
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Monitoring and Geochemical Investigations of Caves in Hunga..:
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Cave and Karst Systems of Hungary; Cave and Karst Systems of the World ,
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The Caves of the Bükk Mountains:
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Cave and Karst Systems of Hungary; Cave and Karst Systems of the World ,
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The Caves of the Northeastern Part of the Transdanubian Mou..:
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Cave and Karst Systems of Hungary; Cave and Karst Systems of the World ,
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The Caves of the Villány Mountains:
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Cave and Karst Systems of Hungary; Cave and Karst Systems of the World ,
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