The Earliest Cyrtina (Brachiopoda, Cyrtinidina) in the Devonian of the Barrandian (Czech Republic)
Mergl, Michal
Index of Fossiliferous Localities of the Olešná Member, Klabava Formation (Lower Ordovician of the Prague Basin, Czech Republic)
Kraft, Jaroslav, Mergl, Michal, Hroch, Tomáš, Kraft, Petr