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Development of the Thien Duong Cave (Heaven's Cave) for Tourism
Tadej SlabeMartin KnezMitja PrelovšekFranjo DroleAleš SemejaBogdan Debevec
其他書名
Speleological and Marketing Base for Master Plan
出版Karst Research Institute ZRC SAZU, 2009
URLhttp://books.google.com.hk/books?id=nEscMwEACAAJ&hl=&source=gbs_api