Hans Huebl, Christopher D. Nugroho, Andrea Morello, Christopher C. Escott, Mark A. Eriksson, Changyi Yang, David N. Jamieson, Robert G. Clark, Andrew S. Dzurak: Electron tunnel rates in a donor-silicon single electron transistor hybrid. 2010Physical Review B: 81. ISBN 1098-0121 http://dx.doi.org/10.1103/PhysRevB.81.235318