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- Radon in geological environment - Czech experience / Ivan Barnet ... [et al.] . Prague : Czech Geological Survey, 2008 . 70 s. [1, currently available 1]
- The new method for assessing the radon risk of building sites = Nová metodika stanovení radonového indexu pozemku / Matěj Neznal ... [et al.] . Prague : Czech Geological Survey, 2004 . 47 s. [1, currently available 1]