Ebner A, Kienberger F, Kada G, Stroh CM, Geretschläger M, Kamruzzahan AS, Wildling L, Johnson WT, Ashcroft B, Nelson J, Lindsay SM, Gruber HJ, Hinterdorfer P. Localization of single avidin-biotin interactions using simultaneous topography and molecular recognition imaging. Chemphyschem. 2005 May;6(5):897–900. doi: 10.1002/cphc.200400545. PMID: 15884073.