Silurian versus Devonian. B. Bouček , Radvan Horný , I. Chlupáč 1966 | volume 22 | issue 2 | pages 49–66 PDF
Geology and stratigraphy of moldavite occurrences in Bohemia and Moravia (Czechoslovakia). / Geologie a stratigrafie vltavínových nalezišť v Čechách a na Moravě. V. Bouška 1966 | volume 22 | issue 2 | pages 67–88 PDF
