Gleb A. Skorobagatko, Ilya V. Krive, and Robert I. Shekhter, Polaronic effects in electron shuttling, Low Temp. Phys. 35, (2009) [Fiz. Nizk. Temp. 35, 1221-1229, (2009)] DOI: https://doi.org/10.1063/1.3276063.