(1)
N.V. Khotkevych, Yu.A. Kolesnichenko, and J.M. van Ruitenbeek, Conductance of a STM contact on the surface of a thin film, Low Temp. Phys. 38, (2012) [Fiz. Nizk. Temp. 38, 644-652, (2012)] DOI: https://doi.org/10.1063/1.4723673.