George, R. E.
Senior, J.
Saira, O.-P.
Pekola, J. P.
de Graaf, S. E.
Lindström, T.
Pashkin, Yu A.
Funding for this research was provided by:
Suomen Akatemia (284594, 272218)
Royal Society (WM110105)
Engineering and Physical Sciences Research Council (EP/K01675X/1)