<ref name="Barker_&_Greenslade_1982">{{cite book |first1=W. R. |last1=Barker |first2=P. J. M. |last2=Greenslade |year=1982 |title=Evolution of the flora and fauna of arid Australia |url= |location=Frewville, South Australia |publisher=Peacock Publications |pages=392 pp. |isbn=}}</ref>