Reference

Holger C. Forke, Franz (von) Kahler, Karl Krainer (1998): Sedimentology, microfacies and stratigraphic distribution of foraminifers of the Lower "Pseudoschwagerina" Limestone (Rattendorf Group, Late Carboniferous), Carnic Alps (Austria, Italy) – Senckenberg.leth. – 78/1-2: 1 - 39.