International Conference on Geotourism, Mining Tourism, Sustainable Development, and Environmental Protection. GEOTOUR 2018 (medzinárodná konferencia) (11.-13.10.2018 : Hodruša-Hámre) GEOTOUR 2018 : book of abstracts : international conference on geotourism, minig tourism, sustainable development and environmental protection. -- 1. vyd. -- Košice : Technical University of Košice, 2018. -- 62 p. -- ISBN 978-80-553-2763-1
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