Comment on "Quantum contact in gold nanostructures by scanning tunneling microscopy"

C.L. Degen, M. Poggio, et al.

Physical Review Letters

B.D. Terris, R.C. Barrett, et al.

SPIE OE/LASE 1993

H.J. Mamin

Applied Physics Letters

P. Grütter, D. Rugar, et al.

Journal of Applied Physics