<ref name="Fonseca_&_Ganade_1996">{{cite journal |first1=C. R. F. |last1=Fonseca |first2=G. |last2=Ganade |year=1996 |title=Asymmetries, compartments and null interactions in an Amazonian ant-plant commmunity |url= |journal=Journal of Animal Ecology |publisher= |volume=65 |issue= |pages=339–347 |doi= }}</ref>