FIFTY YEARS OF THE UISAuthor:José Ayrton Labegalini (Brazil), electrical and civil engineer, speleologist and past President of the International Union of Speleology. Description: Until this book was publis

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Date: 2016-08-19 05:26:13		FIFTY YEARS OF THE UISAuthor:José Ayrton Labegalini (Brazil), electrical and civil engineer, speleologist and past President of the International Union of Speleology. Description: Until this book was publis Add to Reading List Source URL: uis-speleo.org Download Document from Source Website File Size: 47,69 KB Share Document on Facebook