<ref name="Hölldobler_et_al_1982">{{cite journal |first1=B. |last1=Hölldobler |first2=H. |last2=Engel |first3=R. W. |last3=Taylor |year=1982 |title=A new sternal gland in ants and its function in chemical communication |url= |journal=Naturwissenschaften |publisher= |volume=69 |issue= |pages=90–91 |doi= }}</ref>