TY - JOUR AU - Gnecco E. AU - Fajardo O.Y. AU - Pina C.M. AU - Mazo J.J. PY - 2012 DO - 10.1007/s11249-012-9923-x UR - http://hdl.handle.net/20.500.12614/597 T2 - Tribology Letters LA - en M2 - 33 TI - Anisotropy effects in atomic-scale friction TY - research article VL - 48 ER -