GrottoCenter:En/List of speleological publications
The work presented below is the work of the Sub-Commission "Publication Exchanges" of the IT Commission of the UIS. The work is coordinated by Michele Sivelli.
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- ==Ifri==
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The work presented below is the work of the Sub-Commission "Publication Exchanges" of the IT Commission of the UIS. The work is coordinated by Michele Sivelli.
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