<ref name="Hölzel_1956">{{cite journal |first1=E. |last1=Hölzel |year=1956 |title=Neue Ameisenbeobachtungen in Kärnten |url=https://antcat.org/documents/1670/13524.pdf |journal=Carinthia II |publisher= |volume=146 |issue= |pages=68–77 |doi= }}</ref>