<ref name="Eder_&_Rembold_1987">{{cite book |first1=J. |last1=Eder |first2=H. |last2=Rembold |year=1987 |title=Chemistry and biology of social insects |url= |location=München |publisher=Verlag J. Peperny |pages=xxxv + 757 pp. |isbn=}}</ref>