The underground atlas a gazetteer of the world's cave regions

The underground atlas a gazetteer of the world's cave regions

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Xehetasun bibliografikoak
Egile nagusia: Middleton, John 1942-
Beste egile batzuk: Waltham, Tony
Formatua: Liburua
Hizkuntza:English
Argitaratua: Leiscester, Eng. Promotional Reprint Company 1992, c1986.
Gaiak:
Caves.