Single-electron tunnelling observed at room temperature by scanning-tunnelling microscopy Schönenberger, C. ; van Houten, H. ; Donkersloot, H. C. Abstract Publication: EPL (Europhysics Letters) Pub Date: October 1992 DOI: 10.1209/0295-5075/20/3/010 Bibcode: 1992EL.....20..249S