ZACHOVALOVÁ, Kateřina a
Jaromír LEICHMANN. Clasts of volcanic rocks from the Visean conglomerates in the Drahany Culm: evidence for a volcanic arc on the eastern margin of Bohemian Massif.
Journal of the Czech Geological Society. Praha: Czech Geological Society, 2003, roč. 48, 1-2,, s. 139. ISSN 1210-8197.