Professional work
NATURE CONSERVATION 6/2020
From the history of nature conservation: Tour of the Sacred Hole near Javoříček in 1873, Author: Petr Zajíček
Karel Absolon, Author: Petr Zajíček
Vladimír Josef Procházka - a geologist who descended to Macochy 120 years ago, Author: Petr Zajíček
NATURE CONSERVATION 5/2020
From our nature:: 70 years have passed since the discovery of the Koněprus caves, Author: Jaroslav Hromas, Alexandr Komaško
NATURE CONSERVATION 4/2020
Research and documentation: The next stage of epigraphic research pushed the boundaries of the oldest drawing traces in our caves, Author: Petr Zajíček
NATURE CONSERVATION 3/2020
From our nature: Jeskyně Na Pomezí, 70 years since it was made available to the public, Author: Petr Zajíček
International nature conservation: Development aid to Georgia and Moldova,, Author: Karel Drbal, Jaroslav Hromas, Vratislav Ouhrabka:
Kuler-News, news, interesting things: 10-year anniversary of the international scientific-practical network ProKARSTerra,, Author: Olga Suldovská
Cooler-Review: Underground Berounska and Hořovicka, Author: Jaroslav Hromas
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NATURE CONSERVATION 2/2020
Conservation International: Will Arsen Okrodzhanashvili's Cave Become West Georgia's Next Cave Opened? Author: Vratislav Ouhrabka:
From our nature: 100 years since the discovery of the first parts of the waterway in Punkevní caves, Author: Petr Zajíček
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NATURE CONSERVATION 1/2020
Review: Balák, I: Moravian karst, cave and man, Author: Jaroslav Hromas
Kulér-Medallions: Bohumil Kučera, Author: Pavel Pešout
Research and documentation: Mineral waters of the Hranický karst, Author: Milan Geršl
From our nature: NPR Špraněk - treasures are not only underground, Author: Jiří Šafář, Martin Koudelka, Václav Polášek