TY - JOUR AU - T. Kokubo AU - Alan Gallagher AU - John Hall BT - Journal of Applied Physics DA - Jan-01-1999 DO - 10.1063/1.369332 PY - 1999 EP - 1311 T2 - Journal of Applied Physics TI - Optical heterodyne detection at a silver scanning tunneling microscope junction VL - 85 SN - 00218979 ER -