TY - JOUR AU - Maier S. AU - Gnecco E. AU - Meyer E. PY - 2015 DO - 10.1007/978-3-319-10560-4_6 UR - http://hdl.handle.net/20.500.12614/1194 T2 - NanoScience and Technology LA - en M2 - 95 TI - Atomic-scale friction measurements in ultra-high vacuum TY - research article VL - 31 ER -