<ref name="Endlein_&_Federle_2015">{{cite journal |first1=T. |last1=Endlein |first2=W. |last2=Federle |year=2015 |title=On heels and toes: how ants climb with adhesive pads and tarsal friction hair arrays |url=https://antcat.org/documents/7741/endlein___federle_2015_plosone_on_heels_and_toes_how_ants_climb_with_pads_and_hair_arrays.pdf |journal=PLoS ONE |publisher= |volume=10 |issue= |pages=e0141269 |doi=10.1371/journal.pone.0141269 }}</ref>